Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1989 Eagle Premier ESFACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code (DTC) Identification: Notes
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Condition |
|---|---|
| 1000 | Ignition line low |
| 1001 | Ignition line high |
| 1004 | Battery voltage low |
| 1005 | Sensor ground line out of limits |
| 1010 | Diagnostic enable line low |
| 1011 | Diagnostic enable line high |
| 1012 | Ignition control module line low |
| 1013 | Ignition control module line high |
| 1014 | Fuel pump line low |
| 1015 | Fuel pump line high |
| 1016 | Manifold Air Temperature (MAT) sensor line low |
| 1017 | Manifold Air Temperature (MAT) sensor line high |
| 1018 | No serial data from ECU |
| 1021 | Engine failed to start due to mechanical, fuel or ignition problem |
| 1022 | Start line low |
| 1024 | ECU does not see start signal |
| 1027 | ECU sees Wide Open Throttle (WOT) |
| 1028 | ECU does not see Wide Open Throttle (WOT) |
| 1031 | ECU sees closed throttle |
| 1032 | ECU does not see closed throttle |
| 1033 | Idle speed increase line low |
| 1034 | Idle speed increase line high |
| 1035 | Idle speed decrease line low |
| 1036 | Idle speed decrease line high |
| 1037 | Throttle Position Sensor (TPS) reads low |
| 1038 | Park/Neutral line high |
| 1040 | Latched B+ line low |
| 1041 | Latched B+ line high |
| 1042 | No latched B+ .5 volt drop |
| 1047 | Wrong ECU |
| 1048 | Manual vehicle equipped with automatic ECU |
| 1049 | Automatic vehicle equipped with manual ECU |
| 1050 | Idle speed less than 500 RPM |
| 1051 | Idle speed greater than 2000 RPM |
| 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 | O2 sensor reads rich |
| 1066 | O2 sensor reads lean |
| 1067 | Latch relay line low |
| 1068 | Latch relay line high |
| 1069 | No tach |
| 1070 | A/C cut-out line low |
| 1071 | A/C cut-out line high |
| 1073 | ECU does not see crankshaft position/engine speed sensor signal |
| 1200 | ECU defective |
| 1202 | Injector shorted to ground |
| 1209 | Injector open |
| 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 |
| 1221 | No injector voltage |
| 1222 | Ignition control module not grounded |
| 1223 | No ECU tests run |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.