Short Runner Valve Solenoid Circuit
P0837
P1757
P1198
Secondary Air Injection System Switching Valve A Circuit Shorted
SPD CTRL PWR Relay; or S/C 12v Driver Circuit
Ignition Coil Secondary # 3 Circuit
Injector # 9 Control Circuit
MAP sensor input above maximum acceptable voltage. Leak Detection Pump Solenoid Circuit
trans. Exhaust Pressure Control Valve Low
Be sure that there is not any leaks in the system.
O2 Sensor Circuit High Voltage (Bank 2 Sensor3)
Secondary Air Injection System (Bank 1)
P0145
only). P0109
P0342 (M)
P0660
Peak primary circuit current not achieved with maximum dwell time (high impedance).
Malfunction Indicator Lamp (MIL) Control Circuit
Sensor input greater or less than calibration for 3 consecutive Neutral/Park occurrences (4-speed auto. An internal leak may cause one of the above DTC?s. Radiator coolant temperature sensor input below the minimum acceptable voltage. P0382 (M)
A rich air/fuel mixture has been indicated by an abnormally lean correction factor.
Low Output SPD Sensor RPM Above 15 MPH
Check the charcoal canister for fuel saturation If the vehicle has been overfueled, then there is a chance that liquid fuel can enter the canister and cause drive problems or emission related problems.
Fuel Injection Pump Controller Always On
Cylinder 1 Injector Circuit Low
Retrieving codes:
P0664
P0209 (M)
Control Module Vehicle Options Error
An open or shorted condition detected in the fuel pump relay control circuit.
P0250
Evaporative Emission Control System Vent Control Circuit Shorted
Fuel Level Unit No Change Over Miles
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem
wiTech … Fuel Composition Sensor Circuit Low Input
1500-1599
LDP has detected a pinched hose in the evaporative hose system.
P0133 (M)
Loss of the Cam Position Sensor or Crank Position sensor has occurred. Leak Detection Pump Sw or Mechanical Fault
Gear Lever Y Position Circuit Intermittent
P1192 (M)
Injector # 10 output driver stage does not respond properly to the control signal. Torque Con Clu No RPM Drop at Lockup
No vehicle speed sensor signal detected during road load conditions.
An open or shorted condition detected in the PCV solenoid circuit. So please read our Disclaimer and when you're ready jump in! P1490 (M)
Ambient/Battery Temperature Sensor Volts Too High
Camshaft Position Sensor B Circuit Low Input (Bank 2)
No CCD/J1850 messages received from the body control module.
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
Secondary Air Injection System Switching Valve B Circuit Open
Engine does not reach operating temperature.
P0718
An open or shorted condition detected in the high speed radiator fan relay control circuit.
P0512
Evaporative Emission Control System Incorrect Purge Flow
Oxygen sensor response slower than minimum required switching frequency.
Neither rich or lean condition is detected from the oxygen sensor. Fuel Temperature Sensor A Circuit Range/Performance
P0461
P0240
This TSB applies in a very limited number of cases and usually in mountainous regions.
Engine Coolant Over Temperature Condition
Evaporative Emission Control System Pressure Sensor High Input
Control Module VSS Output A
PWM O2 Heater Performance
O2 Sensor Heater Circuit (Bank 1 Sensor 3)
P2503
A/C Pressure Sensor Volts Too High
Timing Reference High Resolution Signal A Too Few Pulses
P1695
Evaporative Emission Control System Vent Valve/Solenoid Circuit
Exhaust Gas Temperature Sensor Circuit Low (Bank 1)
P1389 (M)
Description of Diagnostic Trouble Code
This may occur after driving the vehicle in rain or by washing the vehicle.
P0085
A trip is defined as 'start the vehicle and operate it to meet the criteria necessary to run the given monitor.'
P0850
DRB Scan Tool Display
Possible Vacuum leak or IAC lost steps.
Starter Request Circuit
(Input or Output Speed Sensor failures often cause this code and are a common failure part on WJ Grand Cherokees). only).
Intermediate Shaft Speed Sensor Circuit Range/Performance
P0255
MAP sensor input above maximum acceptable voltage.
Cylinder 4 Injector Circuit High
A too high of value transducer will cause inaccurate readings.
P0711 (M)
P0408
8 = ?
voltage.
Cylinder # 1 Misfire
Open circuit between PCM and fuel gauge sending unit.
P0606 (M)
Internal Control Module Keep Alive Memory (KAM) Error.
The requested pressure and the actual pressure are not within a tolerance band for the Governor Control System which is used to regulate governor pressure to control shifts for 1st 2nd and 3rd gear (Mid Pressure Malfunction). P0165
Fault In Companion Module
Battery voltage sensor input below the minimum acceptable voltage.
O2 Sensor Circuit Slow Response (Bank 2 Sensor 1), O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1), O2 Sensor Heater Circuit (Bank 2 Sensor 1), O2 Sensor Circuit Malfunction (Bank 2 Sensor2), O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2), O2 Sensor Circuit High Voltage (Bank 2 Sensor 2), O2 Sensor Circuit Slow Response (Bank 2 Sensor 2), O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2), O2 Sensor Heater Circuit (Bank 2 Sensor 2), O2 Sensor Circuit Malfunction (Bank 2 Sensor 3), O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3), O2 Sensor Circuit High Voltage (Bank 2 Sensor3), O2 Sensor Circuit Slow Response (Bank 2 Sensor 3), O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3), OS Sensor Heater Circuit (Bank 2 Sensor 3). P0327
P0401 (M)
This area is the source of many speed control complaints.
An open or shorted condition detected in the ASD or CNG shutoff relay control ckt.
sending unit.
P0420 (M)
APPS voltage input above the maximum acceptable voltage. An open or shorted condition detected in the transmission 2-3 gear lock-out solenoid control circuit.
P0077
No CCD/J1850 messages received from the cluster control module.
P1486 (M)
P1683
P0186
OS Sensor Circuit Slow Response (Bank 1 Sensor 2)
Cylinder 2 Injector Circuit High
Evaporative Emission Control System Pressure Sensor Low Input
Cylinder 3 Injector Circuit High
Fuel Injection Pump Controller Always On
Time to enter Closed Loop Operation (Fuel Control) is excessive.
Intake Manifold Tuning Valve Control Circuit (Bank 1)
Fuel Injection Pump CKP Sensor Does Not Agree with ECM CKP Sensor
Camshaft Position Sensor A Circuit Intermittent (Bank 1 or Single Sensor)
P0385
P0120
Camshaft Position Sensor B Circuit (Bank 1)
PCM not Programmed
P0733
Ignition Coil F Primary/Secondary Circuit
P0210 (M)
Vehicle Speed Sensor Intermittent/Erratic/High
P0223 (M)
Air Assisted Injector Control Circuit High
Fuel Level Sending Unit Volts Too Low
P0310 (M)
P0102
P0348
Throttle/Pedal Position Sensor/Switch B Circuit High Input
P0715
Transmission Relay Always On.
Neither rich or lean condition is detected from the oxygen sensor input.
P0516
Shift Solenoid C
Misfire detected in Cylinder # 1.
P0608
P0755
Intake Air Temperature Circuit Low Input
Refer to our Generic OBD II code list for definitions on all other Jeep diagnostic trouble codes.
trans.
P0352 (M)
P0487
May be caused by after market remote starter.
P0366
An open or shorted condition detected in the ASD or CNG shutoff relay control ckt. DTCs can be erased anytime with a DRB III.
General temperature sensor rationality error.
P0121 (M)
Evaporative Emission Control System Leak Detected (medium leak)
Starter Relay Circuit High
P0640
P1280
Ignition/Distributor Engine Speed Input Circuit Range/Performance, Ignition/Distributor Engine Speed Input Circuit No Signal, Ignition/Distributor Engine Speed Input Circuit Intermittent, Knock Sensor 1 Circuit (Bank 1 or Single Sensor).
P1595
Cylinder 9 Injector Circuit Low
Incorrect input state detected in the brake switch circuit. Misfire detected in Cylinder # 12.
Also, possible faulty or loose gas cap.
P0308 (M)
An open or shorted condition is detected in the Transmission Relay control circuit.
Pressure Control Solenoid C Performance or Stuck off
Timing Reference High Resolution Signal B Intermittent/Erratic Pulses
JScan allows reading standard Diagnostic Trouble Codes (emission related), general Live Data and much more.
Check the charcoal canister for fuel saturation If the vehicle has been overfueled, then there is a chance that liquid fuel can enter the canister and cause drive problems or emission related problems.
Camshaft Position Sensor A Circuit Range/Performance (Bank 2)
P0656
Circuit shorted to voltage between PCM and fuel gauge
P0044
A/C pressure sensor input above the maximum acceptable voltage.
P0036
Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
P0544
Low Speed Fan CTRL Relay Circuit
P1180
Exhaust Gas Recirculation Flow Excessive Detected
P0714
P0381 (M)
P0748 (M)
P1290
Clutch Position Sensor Circuit Intermittent
Speed control switch input above maximum acceptable voltage.
Cylinder 7 Contribution/Balance
The runout is very critical for proper camshaft signal input to the JTEC.
P1496 (M)
Intermittent Loss of CMP or CKP
Catalyst 2/1 efficiency below required level. Corrosion due to system moisture or possible water intrusion into the system. Insufficient Coolant Temperature for Closed Loop Fuel Control
DTC Detected in Companion Module
P0157 (M)
An open or shorted condition detected in control circuit for Injector # 3 or the INJ 3 injector bank.
Main Catalyst Efficiency Below Threshold (Bank 1)
Leak Detection Pump Sw or Mechanical Fault
Invalid SKIM Key
Special thanks to Ed at PT Do It Yourself.net for providing additional listings and information for this page.
No MIC BUS Message
A slow switching oxygen sensor has been detected in bank 1/1 during catalyst monitor test.
Description of Diagnostic Trouble Code
P0394
Inlet Air Temperature sensor input below acceptable voltage
P0231
Pump should be replaced if found leaking.
EGR Solenoid Circuit
P0461
P0263
Problem detected in air conditioning electrical circuit.
An open or shorted condition detected in the ASD relay control circuit.
No CCD/J1850 Message From PCM
Auxiliary 5 volt sensor feed is sensed to be below an acceptable limit.
In PCM VIN is not programmed in the control module EEPROM. O2 sensor voltage greater than 3 volts for 60 to 240 seconds.
O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P1740 (M)
A rationality error has been detected for intermittent loss of camshaft position sensor. P0700 (M)
P0787
81-170-000606) been used to assist in the diagnosis?
P0350
Catalyst Temperature Sensor Range/Performance (Bank 1)
P0034
trans.
(Also see SCI DTC $66) (was P0133)
Too Much Secondary Air
Battery temperature sensor input voltage above an acceptable range. Timing Reference High Resolution Signal A Intermittent/Erratic Pulses
ABS, Steering Column, Automatic Transmission, Radio, … Part 2 of 2: Understanding the Codes 1.
(was P0139), Radiator Temperature Sensor Volts Too High.
only).
Exhaust Pressure Sensor
P0199
P0451
Review and if necessary, perform TSB 18-005-03.
(Also see Notes in P0455 above).
An open condition detected In the ASD relay output circuit.
Oxygen sensor input voltage maintained below normal operating range. P1496 (M)
only).
P0163 (M)
P0012
P0107 (M)
Throttle Actuator Control Range/Performance (Bank 1), Throttle Actuator Control Range/Performance (Bank 2). P0662
Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance
P0757
trans. Fuel Trim Malfunction (Bank 2)
P1830
P0639
P1491
Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector)
P0353 (M)
Torque Converter Clutch Solenoid/Transmission Relay Circuits.
P1493 (M or G)
Transmission Range Sensor Circuit High Input
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1).
After three good trips the MIL is extinguished and the Task Manager automatically switches the trip counter to a warm-up cycle counter.
P0732
No communication detected between co-processors in the control module.
Stock Transmission Skid Plate; Frame Rail Nutsert
Ignition Coil Secondary # 5 Circuit
P1691
Peak primary circuit current not achieved with maximum dwell time (high impedance).
These tests are know as 'two trip monitors.'
transfer case module during 4WD low gear engagements)
No Temp Rise Seen From Intake Heaters
Exhaust Gas Recirculation Sensor B Circuit High
P1486 (M)
Shift Solenoid E Intermittent
Intake Air Heater Circuit High
Incorrect Gear Ratio
Review and if necessary, perform TSB 18-005-03
Remove after market remote starter.
P0428
A rationality error has been detected for the shutdown timer.
P0223 (M)
An open or shorted condition detected in the control circuit of the # 2 high-speed radiator fan control relay.
O2 Sensor Circuit High Voltage (Bank 2 Sensor 1)
They will provide valuable info!
P0624
P0824
Cooling Fan 1 Control Circuit
P0245
P0120
P0403 (M)
P0422
Corrosion due to system moisture or possible water intrusion into the system. P0158 (M)
P0080
P0549
P0418
Scan Code
GOV Press Not Equal to Target @ 15-20 PSI
P0498
Engine Speed Input Circuit Range/Performance
Insufficient flow of secondary air injection detected during aspirator test.
3-4 Shift Sol
P1399
P0268
P0726
only).
Engine Speed Input Circuit Intermittent
P0799
Misfire detected in multiple Cylinders. Crankshaft/Camshaft Timing Misalignment
P0200
See P1596 above. Clutch Pedal Switch A Circuit
An open or shorted condition detected in the transmission 2-3 gear lock-out solenoid control circuit.
Circuit shorted to voltage between PCM and fuel gauge
Turbo/Super Charger Wastegate Solenoid A Range/Performance, Turbo/Super Charger Wastegate Solenoid A Low, Turbo/Super Charger Wastegate Solenoid A High, Turbo/Super Charger Wastegate Solenoid B Range/Performance, Turbo/Super Charger Wastegate Solenoid B Low, Turbo/Super Charger Wastegate Solenoid B High, Injection Pump Fuel Metering Control A (Cam/Rotor/Injector), Injection Pump Fuel Metering Control A Range/Performance (Cam/Rotor/Injector), Injection Pump Fuel Metering Control A Low (Cam/Rotor/Injector), Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector), Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector), Injection Pump Fuel Metering Control B (Cam/Rotor/Injector), Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector), Injection Pump Fuel Metering Control B Low (Cam/Rotor/Injector), Injection Pump Fuel Metering Control B High (Cam/Rotor/Injector), Injection Pump Fuel Metering Control B Intermittent (Cam/Rotor/Injector), Random/Multiple Cylinder Misfire Detected, Single Cylinder Misfire (Cylinder not Specified).
Neither rich or lean condition is detected from the oxygen sensor.
P0083
Injection Pump Fuel Metering Control A High (Cam/Rotor/Injector)
P0130
P0751 (M)
P0285
O2 Sensor Heater Circuit (Bank 1 Sensor 2)
A rationality error has been detected for target RPM not met during drive idle condition.
Misfire detected in multiple Cylinders.
(Also see SCI DTC $66) (was P0133), 2/1 02 Sensor Slow During Catalyst Monitor, A slow switching oxygen sensor has been detected in bank 2/1 during catalyst monitor test.
Speed Control Switch # 1 Low
Shift/Timing Solenoid Low
Once connector is cleaned from antifreeze contamination, review water pump for potential leak and repair as necessary.
Description of Diagnostic Trouble Code
P0452
See P1596 above.
P0130
Once connector is cleaned from antifreeze contamination, review water pump for potential leak and repair as necessary. P1286
ASD voltage sensed when ASD relay is energized or ASD voltage not sensed when ASD relay is not energized.
Fuel Injection Pump Controller Calibration Error
Knock sensor (# 1) signal above or below minimum acceptable threshold voltage at particular engine speeds.
DRB Scan Tool Display
Clutch Pedal Switch B Circuit Low
Scan Code
P1475
0500-0599
Injector/Injection Timing Control Circuit
P0168
P0058
Gear 3 Incorrect Ratio
Home
1700-1799
Ignition Coil J Primary/Secondary Circuit
P0465
Camshaft Position Sensor B Circuit Low Input (Bank 1)
P1604
No SKIM BUS Messages Received
An open or shorted condition detected in the ASD relay control circuit. O2 Sensor Circuit High Voltage (Bank 2 Sensor3)
Shorted condition detected in the oxygen sensor heater element control feedback sense circuit.
Exhaust Gas Temperature Sensor Circuit High (Bank 1)
Cylinder 12 Contribution/Balance
Jeep Grand Cherokee Jeep Grand Cherokee 2nd gen best diagnostic tool/kit (1999 - 2004) Jeep Grand Cherokee 3rd gen best diagnostic tool/kit (2005 - 2010)
Probable defective Crank Sensor.
Note: The respective Powertrain Diagnostic Procedures Manual will direct the technician to determine if the vehicle evaporative system has an external system leak.
No Z1 or Z2 voltage sensed when the auto shutdown relay is energized. Injector # 2 Control Circuit
Throttle/Pedal Position Sensor/Switch A Circuit Low Input
These codes and video may work with other OBD1 Jeeps.
P0273
P2320
P0622 (G)
For PL 2.0L
P0849
O2 Sensor Heater Circuit (Bank 1 Sensor 3)
P0748 (M)
Transmission Range Sensor Circuit Low Input
Shift Solenoid C Stuck On
Gear Lever Y Position Circuit
Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or Single Sensor)
Crankshaft Position Sensor B Circuit
Reverse Gear Lockout Circuit Open or Short
Four wheel drive (4WD) muxed switch input detected in invalid or irrational switch state (switch status provided to engine module from
Shift Solenoid C Intermittent
ASD Relay Control Circuit
P0610
P1681
P1482
Engine is Cold Too Long
Transmission Temperature Sensor Voltage Too High
DTC Detected in PCM/ECM or DTC Detected in ECM
P0467
P0262
Ignition Coil Secondary # 8 Circuit
P0532
Flex fuel sensor input below minimum acceptable voltage.
Circuit shorted to voltage between PCM and fuel gauge
Misfire detected in Cylinder # 2.
Power Steering Pressure Sensor Circuit Range/Performance
Internal Fuel Injection Pump Controller Failure
Sensor supply voltage for ECM sensors is too low.
Oxygen sensor heater element malfunction.
Transmission 12 Volt Supply Relay CTRL Circuit
Fuel Composition Sensor Circuit Low Input
Engine Coolant Temperature Circuit High Input
No vehicle speed sensor signal detected during road load conditions.
02 Sensor Heater Control Circuit Low (Bank 1 Sensor 1)
Cylinder # 5 Misfire
P0287
P0137 (M)
Clutch Pedal Switch A Circuit High
An open or shorted condition is detected in the Transmission Relay control circuit.
Injector Circuit - Cylinder 12
Heated Catalyst Efficiency Below Threshold (Bank 2), Heated Catalyst Temperature Below Threshold (Bank 2), Catalyst Temperature Sensor Range/Performance (Bank 2), Catalyst Temperature Sensor Low Input (Bank 2), Catalyst Temperature Sensor High Input (Bank 2), Evaporative Emission Control System Incorrect Purge Flow.
P0268
Engine Oil Temperature Sensor
P0311 (M)
pressure solenoid or relay circuits (4-speed auto. Speed Control Switch # 1 High
Pressure Control Solenoid A
B0099; B0119; B0120; B0121; B0122; B0127; B012F; B0131; B1001; B100A; B1016; B1031; B1032; B1034; B1035; B1036; B1040; …
Input/Turbine Speed Sensor Circuit Range/Performance
P0405 (M)
An open or shorted condition detected in either of the speed control vacuum or vent solenoid control circuits.
02 Sensor Heater Control Circuit High (Bank 1 Sensor 2)
Governor pressure greater than 3 psi when requested to be 0 psi (4-speed auto. P0780
P0172 (M)
P0197
Voltage less than.10 volts (4-speed auto.
P0783
Baro Read Solenoid Circuit
P0733
Camshaft Position Sensor B Circuit (Bank 2)
O2 Sensor Heater Circuit (Bank 1 Sensor 1)
Ignition Coil I Primary/Secondary Circuit
Camshaft Position Sensor B Circuit Range/Performance (Bank 2)
Fuel Temperature Sensor A Circuit Range/Performance, Fuel Temperature Sensor A Circuit Low Input, Compressed natural gas temperature sensor voltage below acceptable voltage, Fuel Temperature Sensor A Circuit High Input, Compressed natural gas temperature sensor voltage above acceptable voltage, Fuel Temperature Sensor A Circuit Intermittent, Fuel Temperature Sensor B Circuit Range/Performance, Fuel Temperature Sensor B Circuit Low Input, Fuel Temperature Sensor B Circuit High Input, Fuel Temperature Sensor B Circuit Intermittent, Fuel Rail Pressure Sensor Circuit Range/Performance, Fuel Rail Pressure Sensor Circuit Low Input, Fuel Rail Pressure Sensor Circuit High Input, Fuel Rail Pressure Sensor Circuit Intermittent, Engine Oil Temperature Sensor Range/Performance, Engine Oil Temperature Sensor Intermittent.
If ORVO is working as designed insure that the vehicle owner is not overfilling the fuel tank.
Secondary Air Injection System Switching Valve B Circuit Open
The vehicle should be serviced if the light stays on through several typical driving cycles. Exhaust Pressure Sensor Intermittent
P0789
Immediate service is required. Engine Oil Over Temperature
P0160 (M)
P0444
Ignition Coil Secondary # 7 Circuit
1100-1199
P0307 (M)
B Camshaft Position - Timing Over-Retarded (Bank 1)
Ignition/Distributor Engine Speed Input Circuit Range/Performance
A/C pressure sensor input below the minimum acceptable voltage. Transmission Temperature Sensor Voltage Too Low
P1764 (M)
A slow switching oxygen sensor has been detected in bank 2/1 during catalyst monitor test.
P0023
An open or shorted condition detected in speed control vent solenoid control circuit.
Warm Up Catalyst Efficiency Below Threshold (Bank 1)
Oxygen sensor heater element malfunction. P0549
P1694
P0523
P0123 (M)
APPS supply voltage input below the minimum acceptable
P0139 (M)
P0747
If there is water intrusion into the connector, dry the connector and repair area that is allowing water into the connector.
Too Little Secondary Air
System too Rich (Bank 2)
P0159
P0281
MIL LAMP-ON MESSAGE - Each time the cluster receives a MIL lamp-on message from the PCM, the indicator will be illuminated. Turbo/Super Charger Wastegate Solenoid B Range/Performance
Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
Camshaft Position Sensor A Circuit Range/Performance (Bank 1 or Single Sensor)
Exhaust Gas Temperature Sensor Circuit High (Bank 2)
P0505 (M)
An open or shorted condition detected in speed control Vacuum solenoid control circuit.
P0574
trans. P1697 (M)
P0778
Transmission Fan Relay Circuit
Exhaust Gas Recirculation Throttle Position Control Circuit
Pressure Control Solenoid C Intermittent
Cylinder # 2 Misfire
P1757 (M)
Too Little Secondary Air
P0569
P0760
A Diagnostic Trouble Code (DTC) indicates that the Powertrain Control Module (PCM) has recognized an abnormal condition in the system. O2 Sensor Circuit High Voltage (Bank 2 Sensor 2)
P0294
Scanning OBD-II signals can also provide important information when purchasing a used vehicle. P0135 (M)
1700-1799
Engine is Cold Too Long
P0358 (M)
Camshaft Position Sensor B Circuit (Bank 1)
P0343 (M)
P0813
P0239
Injector # 1 Control Circuit
Description of Diagnostic Trouble Code
Loss of a 5 volt feed to the Throttle Position Sensor has been detected. P0421
A rationality error has been detected for no vehicle speed sensor signal detected during road load conditions.
Throttle/Pedal Position Sensor/Switch C Circuit High Input
No Climate Bus Messages
P0546
trans.
(A faulty gas cap may cause this code). 0400-0499
P0482
P0355 (M)
Evaporative Emission Control System Vent Control Circuit Open
Transmission control module RAM self-test fault detected. Exhaust Pressure Sensor
The runout is very critical for proper camshaft signal input to the JTEC.
In PCM Odometer is not programmed in the control module EEPROM. Transmission fluid temperature sensor input above acceptable voltage.
During low fuel.
1st Digit
Excessive flow of secondary air injection detected during aspirator test (was P0411). Loss of 5v feed to the EGR position sensor.
Once connector is cleaned from antifreeze contamination, review water pump for potential leak and repair as necessary.
An open or shorted condition detected in the control circuit of the # 3 high speed radiator fan control relay.
The battery has been disconnected within the last 50 starts.
P0122 (M)
P0351 (M)
Secondary Air Injection System Switching Valve A Circuit Open, Secondary Air Injection System Switching Valve A Circuit Shorted, Secondary Air Injection System Switching Valve B Circuit, Secondary Air Injection System Switching Valve B Circuit Open, Secondary Air Injection System Switching Valve B Circuit Shorted, Secondary Air Injection System Relay A Circuit, Secondary Air Injection System Relay B Circuit, Catalyst System Efficiency Below Threshold (Bank 1).
Power Steering Control Circuit
We do our best to update these Jeep check engine light codes as frequently as possible.
P1391 (M)
Fuel Trim Malfunction (Bank 2)
P0750
System too Rich (Bank 2)
Crankshaft Position Sensor B Circuit
Invalid SKIM Key
A fault has been generated in the companion engine control module.
P0622 (G)
Ignition Coil B Primary/Secondary Circuit
Mass or Volume Air Flow Circuit Range/Performance Problem
P0177
may illuminate the light after engine start. Skim Invalid Key
An open or shorted condition detected in the air assist solenoid circuit.
Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem
A 0.040 leak has been detected in the evaporative system.
P0804
P0636
P1195 (M)
Relationship between Cam and Crank signals not correct. P0015
CNG Fuel System Pressure Too High
PWM O2 Heater Performance
Evaporative Emission Control System Leak Detected (very small leak).
P0417
Neither rich or lean condition is detected from the oxygen sensor input.
P1492 (M or G)
Mass or Volume Air Flow Circuit High Input
0200-0299
P0799
Leak Detection Pump Sw or Mechanical Fault.
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