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89–95 Jeep

 

1989–90
1000	Ignition Line Low
1001	Ignition Line High
1002	Oxygen Heater Line Low
1004	Battery Voltage Low
1005	Sensor Ground Line Out Of Limits
1013	MPA Line High
1014	Fuel Pump Line Low
1015	Fuel Pump Line High
1016	Charge Air Temperature Sensor Line Low
1017	Charge Air Temperature Sensor Line High
1018	No Serial Data
1020	No Sync Pulse Seen
1021	Engine Failed To Start Due To Mechanical, Fuel Or Ignition Problem
1022	Start Line Low
1027	ECU Sees Wide Open Throttle
1028	ECU Does Not See Wide Open Throttle
1031	ECU Sees Closed Throttle
1032	ECU Does Not See Closed Throttle
1037	Throttle Position Sensor Reads Low
1038	Park/Neutral Line High
1039	Park/Neutral Line Low
1040	Latched B+ Line Low
1041	Latched B+ Line High
1042	No Latched B+ 1/2 Volt Drop
1044	Fault In Shift Light Circuit
1047	Wrong ECU
1048	Manual Vehicle Equipped w/Automatic ECU
1049	Automatic Vehicle Equipped w/Manual ECU
1050	Idle RPM Less Than 500
1051	Idle RPM Greater Than 2000
1052	MAP Sensor Out Of Limits
1053	Change In MAP Reading Out Of Limits
1054	Coolant Temperature Sensor Line Low
1055	Coolant Temperature Sensor Line High
1056	Inactive Coolant Temperature Sensor
1057	Knock Circuit Shorted
1058	Knock Value Out Of Limits
1059	A/C Request Line Low
1060	A/C Request Line High
1061	A/C Select Line Low
1062	A/C Select Line High
1063	A/C Clutch Line Low
1064	A/C Clutch Line High
1065	Oxygen Sensor Reads Rich
1066	Oxygen Sensor Reads Lean
1067	Latch Relay Line Low
1068	Latch Relay Line High
1069	No Tach
1072	IAS Motor Cannot Control Idle
1073	ECU Does Not See Speed Sensor
1200	Defective ECU Or Shorted To Voltage
1201	Injector Short To B+
1202	All Injectors Shorted To Ground
1203	Injector No. 1 Shorted To Ground
1204	Injector No. 2 Shorted To Ground
1205	Injector No. 3 Shorted To Ground
1206	Injector No. 4 Shorted To Ground
1207	Injector No. 5 Shorted To Ground
1208	Injector No. 6 Shorted To Ground
1209	All Injectors Open
1210	Injector No. 1 Circuit Open
1211	Injector No. 2 Circuit Open
1212	Injector No. 3 Circuit Open
1213	Injector No. 4 Circuit Open
1214	Injector No. 5 Circuit Open
1215	Injector No. 6 Circuit Open
1216	No Voltage At ECU From A/C Relay
1217	No Voltage At ECU From Oxygen Heater Relay
1218	No Voltage At ECU From Power Latch Relay
1219	No Voltage At ECU From Shift Light
1220	No Voltage At ECU From EGR Solenoid
1222	MPA Not Grounded
1223	Open Injector Feed Circuits
1991–95
11	Ignition Reference Signal
12	Battery Disconnected
13	MAP Signal Fault
14	MAP Voltage Fault
15	No Vehicle Speed Signal
17	Engine Is Cold Too Long
21	Oxygen Signal Circuit
22	Improper Coolant Sensor Voltage
23	Improper Charge Temperature Sensor Voltage
24	Improper TP Sensor Voltage
25	Auto. Idle Speed Motor Circuit
27	Injector Control Circuit
31	EVAP Purge Solenoid Circuit
32	EGR System Failure
33	A/C Clutch Relay Circuit
34	Speed Control Solenoid Circuits
35	Radiator Fan Relay
37	Torque Converter Clutch Solenoid Circuit
41	Alternator Field Switching Improperly
42	ASD Relay Circuit
44	Improper Battery Temperature Sensor Voltage
45	Alternator Field Switching Improperly
46	Charging System Voltage Too High
47	Charging System Voltage Too Low
51	Oxygen Sensor Signal Lean
52	Oxygen Sensor Signal Rich
53	Internal Controller Failure
54	No Sync Pickup Signal
55	Completion Of Fault Code Display
62	Controller Failure, EMR Miles Not Stored
63	Controller Failure, EEPROM Write Denied
76	Fuel Pump Resistor Bypass Relay Circuit

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