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99–01 Light Duty Truck, Van & Jeep w/OBD II

 

P0030	1/1 O2S Heater Relay Circuit
P0036	1/2 O2S Heater Relay Circuit
P0106	Barometric Pressure Out Of Range
P0107	MAP Sensor Voltage Too Low
P0108	MAP Sensor Voltage Too High
P0112	IAT Sensor Voltage Low
P0113	IAT Sensor Voltage High
P0116	ECT Sensor Malfunction
P0117	ECT Sensor Voltage Too Low
P0118	ECT Sensor Voltage Too High
P0121	TP Sensor Voltage Does Not Agree With MAP
	Accelerator Position Sensor Signal Voltage Too Low
P0122	TP Sensor Voltage Low
P0123	TP Sensor Voltage High
	Accelerator Position Sensor Signal Voltage Too High
P0125	Closed Loop Temperature Not Reached Or Engine Does Not Reach Operating Temperature
P0131	1/1 O2S Shorted To Ground
P0132	1/1 O2S Shorted To Voltage
P0133	1/1 O2S Slow Response
P0134	1/1 O2S Stays At Center
P0135	1/1 O2S Heater Failure
P0137	1/2 O2S Shorted To Ground
P0138	1/2 O2S Shorted To Voltage
P0139	1/2 O2S Slow Response
P0140	1/2 O2S Stays At Center
P0141	1/2 O2S Heater Failure
P0143	1/3 O2S Shorted To Ground
P0144	1/3 O2S Shorted To Voltage
P0145	1/3 O2S Slow Response
P0146	1/3 O2S Stays At Center
P0147	1/3 O2S Heater Failure
P0151	2/1 O2S Shorted To Ground
P0152	2/1 O2S Voltage Shorted To Voltage
P0153	2/1 O2S Slow Response
P0154	2/1 O2S Stays At Center
P0155	2/1 O2S Heater Failure
P0157	2/2 O2S Shorted To Ground
P0158	2/2 O2S Shorted To Voltage
P0159	2/2 O2S Slow Response
P0160	2/2 O2S Stays At Center
P0161	2/2 O2S Heater Failure
P0165	Starter Relay Control Circuit
P0168	Decreased Engine Performance Due To High Injection Pump Fuel Temperature
P0171	1/1 Fuel System Lean
P0172	1/1 Fuel System Rich
P0174	2/1 Fuel System Lean
P0175	2/1 Fuel System Rich
P0176	Loss Of Flex Fuel Calibration Signal
P0177	Water In Fuel
P0178	Water In Fuel Sensor Voltage Too High
	Flex Fuel Sensor Voltage Too Low
P0179	Flex Fuel Sensor Volts Too High
P0181	Fuel Injection Pump Failure
P0182	CNG Temperature Sensor Voltage Too Low
P0183	CNG Temperature Sensor Voltage Too High
P0201	Injector Circuit Malfunction, No. 1
P0202	Injector Circuit Malfunction, No. 2
P0203	Injector Circuit Malfunction, No. 3
P0204	Injector Circuit Malfunction, No. 4
P0205	Injector Circuit Malfunction, No. 5
P0206	Injector Circuit Malfunction, No. 6
P0207	Injector Circuit Malfunction, No. 7
P0208	Injector Circuit Malfunction, No. 8
P0209	Injector Circuit Malfunction, No. 9
P0210	Injector Circuit Malfunction, No. 10
P0215	Fuel Injection Pump Control Circuit
P0216	Fuel Injection Pump Timing Failure
P0217	Decreased Engine Performance Due To Engine Overheat Condition
P0219	CKP Sensor Overspeed Condition
P0222	Idle Validation Signals Both Low
P0223	Idle Validation Signals Both High (Above 5 Volts)
P0230	Transfer Pump (Lift Pump) Circuit Out Of Range
P0232	Fuel Shut-Off Signal Voltage Too High
P0234	Turbo Boost Limit Exceeded
P0236	MAP Sensor Too High Too Long
P0237	MAP Sensor Voltage Too Low
P0238	MAP Sensor Voltage Too High
P0251	Fuel Injection Pump Mechanical Failure Fuel valve Feedback Circuit
P0253	Fuel Injection Pump Fuel Valve Open Circuit
P0254	Fuel Injection Pump Fuel Valve Current Too High
P0300	Random Misfire Detected
P0301	Misfire Detected, Cylinder No. 1
P0302	Misfire Detected, Cylinder No. 2
P0303	Misfire Detected, Cylinder No. 3
P0304	Misfire Detected, Cylinder No. 4
P0305	Misfire Detected, Cylinder No. 5
P0306	Misfire Detected, Cylinder No. 6
P0307	Misfire Detected, Cylinder No. 7
P0308	Misfire Detected, Cylinder No. 8
P0309	Misfire Detected, Cylinder No. 9
P0310	Misfire Detected, Cylinder No. 10
P0320	No Crank Reference Signal At PCM
	No RPM Signal To PCM
P0325	Knock Sensor 1 Circuit Malfunction
P0330	Knock Sensor 2 Circuit Malfunction
P0336	CKP Sensor Signal
P0340	No CAM Signal At PCM
P0341	CMP Sensor Signal
P0350	Ignition Coil Draws Too Much Current
P0351	Ignition Coil No. 1 Primary Circuit
P0352	Ignition Coil No. 2 Primary Circuit
P0353	Ignition Coil No. 3 Primary Circuit
P0354	Ignition Coil No. 4 Primary Circuit
P0355	Ignition Coil No. 5 Primary Circuit
P0356	Ignition Coil No. 6 Primary Circuit
P0357	Ignition Coil No. 7 Primary Circuit
P0358	Ignition Coil No. 8 Primary Circuit
P0370	Fuel Injection Pump Speed/Position Sensor Signal Lost
P0380	Intake Air Heater Relay No. 1 Control Circuit
P0381	Wait To Start Lamp Inoperative
P0382	Intake Air Heater Relay No. 2 Control Circuit
P0387	CKP Sensor Supply Voltage Too Low
P0388	CKP Sensor Supply Voltage Too High
P0401	EGR System Failure
P0403	EGR Solenoid Circuit
P0404	EGR Position Sensor Rationality
P0405	EGR Position Sensor Volts Too Low
P0406	EGR Position Sensor Volts Too High
P0412	Secondary Air Solenoid Circuit
P0420	1/1 Catalytic Converter Efficiency
P0432	1/2 Catalytic Converter Efficiency
P0441	EVAP Purge Flow Monitor Failure
P0442	EVAP Leak Monitor Medium Leak Detected
P0443	EVAP System Purge Solenoid Circuit
P0455	EVAP Leak Monitor Large Leak Detected
P0456	EVAP Leak Monitor Small Leak Detected
P0460	Fuel Level Unit No Change Over Miles
P0461	Fuel Level unit No Changeover Time
P0462	Fuel Level Unit Volts Too Low
P0463	Fuel Level Unit Volts Too High
P0500	No VSS Signal
P0505	IAC Motor Circuits
P0522	Oil Pressure Sens Low
P0523	Oil Pressure Sens High
P0524	Oil Pressure Too Low
P0545	A/C Clutch Relay Circuit
P0551	Power Steering Switch Failure
P0562	Charging System Voltage Too Low
P0563	Charging System Voltage Too High
P0600	PCM Internal Fault SPI Communications
P0601	PCM Internal Fault Internal Controller Failure
P0602	ECM Fueling Calibration Error
P0604	TCM RAM Self Test Fault Detected
P0605	TCM ROM Self Test Fault Detected
P0606	ECM Failure
P0615	Starter Relay Control Circuit
P0622	Alternator Field No Switching Properly
P0645	A/C Clutch Relay Circuit
P0700	Transaxle Or Transmission Control System Malfunction
P0703	Brake Switch Stuck
P0711	Transmission Temperature Sensor Circuit No Temperature Rise After Start
P0712	Transmission Temperature Sensor Voltage Too Low
P0713	Transmission Temperature Sensor Voltage Too High
P0720	Low Output SPD Sensor RPM, Above 15 MPH
P0740	TCC, No RPM Drop At Lockup
P0743	TCC Solenoid/Trans. Relay Circuits
P0748	Governor Pressure Solenoid Control/Trans. Relay Circuits
P0751	O/D Switch Pressure (Lo) More Than 5 Minutes
P0753	Trans. 3-4 Shift Solenoid/Trans. Relay Circuits
P0756	AW4 Shift Solenoid B (2-3) Functional Failure
P0783	3-4 Shift Solenoid No RPM Drop At Lockup
P0801	Reverse Gear Lockout Circuit Open Or Short Circuit
P0830	Clutch Depressed Switch Circuit
P0833	Clutch Depressed Switch Circuit
P1110	Decreased Engine Performance Due To High Intake Air Temperature
P1180	Decreased Engine Performance Due To High Injection Pump Fuel Temperature
P1192	IAT Circuit Low
P1193	IAT Circuit High
P1195	1/1 O2S Slow During Catalyst Monitor
P1196	2/1 O2S Slow During Catalyst Monitor
P1197	1/2 O2S Slow During Catalyst Monitor
P1198	Radiator Temperature Sensor Volts Too High
P1199	Radiator Temperature Sensor Volts Too Low
P1281	Engine Cold Too Long
P1282	Fuel Pump Relay Control Circuit
P1283	Idle Select Signal Invalid
P1284	Fuel Injection Pump Battery Voltage Out Of Range
P1285	Fuel Injection Pump Controller Always On
P1286	Accelerator Position Sensor Supply Voltage Too High
P1287	Fuel Injection Pump Controller Supply Voltage Low
P1288	Intake Manifold Short Runner Solenoid Circuit
P1289	Manifold Tune Valve Solenoid Circuit
P1290	CNG Fuel System Pressure Too High
P1291	No Temperature Rise Seen From Intake Heaters
P1292	CNG Pressure Sensor Voltage Too High
P1293	CNG Pressure Sensor Voltage Too Low
P1294	Target Idle Not Reached
P1295	No 5 Volts To TP Sensor
	Accelerator Position Sensor Supply Voltage Too Low
P1296	No 5 Volt To MAP Sensor
P1297	No Change In MAP From Start To Run
P1298	Lean Operation At Wide Open Throttle
P1299	Vacuum Leak Found (IAC Fully Seated)
P1388	Auto Shutdown Relay Control Circuit
P1389	No ASD Relay Output Voltage At PCM
P1390	Timing Belt Skipped One Or More Notches
P1391	Camshaft Or Crankshaft Position Sensor Intermittent Loss
P1398	Misfire Adaptive Numerator At Limit
P1399	Wait To Start Lamp Circuit
P1403	Loss Of 5 Volts Feed To EGR Position Sensor
P1475	Auxiliary 5 Volt Supply Voltage High
P1476	Too Little Secondary Air
P1477	Too Much Secondary Air
P1478	Battery Temperature Sensor Volts Out Of Limit
P1479	Transmission Fan Relay Circuit
P1480	PCV Solenoid Circuit
P1481	EATX RPM Pulse Generator Signal For Misfire Detection Does Not Correlate With Expected Value
P1482	Catalyst Temperature Sensor Circuit Shorted Low
P1483	Catalyst Temperature Sensor Circuit Shorted High
P1484	Catalytic Converter Overheat Detected
P1485	Air injection Solenoid Circuit
P1486	EVAP Leak Monitor Hose Pinched
P1487	High Speed Fan Control Relay Circuit
P1488	Auxiliary 5 Volt Supply Output Too Low
	5 Volt Supply Voltage Low
P1489	High Speed Cooling Fan Relay Circuit
P1490	Low Speed Cooling Fan Relay Circuit
P1491	Radiator Fan Control Relay Circuit
P1492	Battery Temperature Sensor Voltage Too High
P1493	Battery Temperature Sensor Voltage Too Low
P1494	Leak Detection Pump Pressure Switch Or Mechanical Failure
P1495	Leak Detection Pump Solenoid Circuit
P1496	5 Volt Output Too Low
P1498	High Speed Radiator Fan Ground Control Relay Circuit
P1594	Charging System Voltage Too High
P1595	Speed Control Solenoid Circuits
P1596	Speed Control Switch Always High
P1597	Speed Control Switch Always Low
P1598	A/C Pressure Sensor Volts Too High
P1599	A/C Pressure Sensor Volts Too Low
P1680	Clutch Released Switch Circuit
P1681	No Instrument Panel Cluster CCD/J1850 Messages Received
P1682	Charging System Voltage Too Low
P1683	Speed Control Power relay Or Speed Control 12 Volt Driver Circuit
P1684	Battery Has Been Disconnected Within Last 50 Starts
P1685	SKIM Invalid Key
P1686	No SKIM BUS Messages Received
P1687	No MIC BUS Messages
P1688	Internal Fuel Injection Pump Controller Failure
P1689	No Communication Between ECM & Injection Pump Module
P1690	Fuel Injection Pump CKP Sensor Does Not Agree With ECM CKP Sensor
P1691	Fuel Injection Pump Controller Calibration Error
P1692	DTC Set In ECM
P1693	DTC Detected In Companion Module
	DTC Detected In PCM/ECM
P1694	Fault In Companion Module
	No CCD Messages Received From ECM
P1695	No CDD/J1850 Message From Body Control Module
P1696	PCM Failure EEPROM Write Denied
P1697	PCM Failure SRI Mile Not Stored
P1698	No CCD/J1850 Messages From TCM
	No CCD Messages Received From PCM
P1719	SKIP Shift Solenoid
P1740	A Rationality Error Has Been Detected In Either TCC Solenoid Or O/D Solenoid Systems
	TCC Or O/D Solenoid Performance
P1756	GOV Pressure Not Equal To Target At 15-20 Psi.
P1757	GOV Pressure Not Equal To Target At 15-20 Psi.
P1762	GOV Pressure Sensor Offset Volts Too Low Or High
P1763	GOV Pressure Sensor Volts Too High
P1764	GOV Pressure Sensor Volts Too Low
P1765	Transmission 12 Volt Supply Relay Control Circuit
P1899	Park/Neutral Switch Failure

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