Chrysler 87-89 Truck OBD1 Codes

Chrysler Light Trucks & Vans

1987–89 2.2L & 2.5L & 1988–89 3.9L & 5.2L
11	Distributor Pickup Signal
12	Battery Feed To ECM{1}
12	Fault Codes Erased{2}
13	MAP Sensor Vacuum
14	MAP Sensor Electrical
15	Vehicle Speed Sensor
16	Battery Voltage Sensing
17	Engine Cooling System
21	Oxygen Sensor
22	Engine Coolant Sensor
23	Throttle Body Temperature Sensor
24	Throttle Position Sensor
25	Automatic Idle Speed Motor
26	Fuel Injector Driver
27	Fuel Control
31	Canister Purge Solenoid
32	EGR System
33	A/C Cutout Relay
34	Speed Control Servo Circuit
35	Radiator Fan Relay{1}
35	Idle Contact Switch Circuit{2}
36	Air Switching Solenoid Circuit
37	Transmission Lock-Up Solenoid
41	Alternator Field Control
42	Auto Shutdown
43	Spark Control
44	ECM Logic Board Fused J2 Voltage
45	4-Speed Overdrive Solenoid Circuit
46	Battery Voltage Sensing
47	Battery Voltage Sensing
51	Oxygen Feedback System
52	Oxygen Feedback System
53	Single Module Engine Controller
55	End Of Diagnostic Mode
1990–95
11	Ignition Reference Signal
12	Number Key-On Since Fault Stored Or Fault Erased
13	MAP Signal Circuit
14	Improper MAP Voltage
15	Vehicle Speed Signal
16	Battery Input Sense
17	Low Engine Temperature
21	Oxygen Sensor Signal
22	Coolant Voltage Low Or Oxygen Sensor Shorted High
23	Improper Throttle Body Temperature Voltage
24	Improper TP Sensor Voltage
25	AIS Motor Circuits
26	Injector 1 Or 2 High Circuit Resistance
27	Injector 1 Control Circuit
31	Purge Solenoid Circuit
32	EGR System Circuit
33	A/C Clutch Relay Circuit
34	S/C Servo Solenoids
35	Idle Switch Circuit
36	Air Switch Solenoid
37	PTU Solenoid Circuit
41	Alternator Field Circuit
42	Auto Shutdown Relay Circuit
43	Ignition Control Circuit
44	Voltage Sensing
45	Overdrive Solenoid
46	Battery Voltage High
47	Charging Output Low
51	Lean Fuel/Air Condition
52	Rich Fuel/Air Condition
53	Internal Self Test
55	End Of Diagnostic Mode
62	ECM EMR Miles Not Stored
63	ECM EEPROM Write Denied

{1}—2.2L & 2.5L engines.
{2}—3.9L & 5.2L engines.