Diagnostic Trouble Code Index
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
POWERTRAIN CONTROL MODULE (PCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Action |
|---|---|---|
| P1460 | WOT A/C cutout internal driver malfunction | REFER to INTRODUCTION article. |
| P1461 | A/C pressure sensor circuit high input | REFER to INTRODUCTION article. |
| P1462 | A/C pressure sensor circuit low input | REFER to INTRODUCTION article. |
| P1463 | A/C pressure sensor insufficient pressure variation | REFER to INTRODUCTION article. |
| P1469 | Low A/C cycling period | REFER to INTRODUCTION article. |
| P1474 | Low speed fan internal driver failure | REFER to INTRODUCTION article. |
| P1479 | High speed fan internal driver failure | REFER to INTRODUCTION article. |
| P1464 | A/C demand out of self-test range | REFER to INTRODUCTION article. |
DUAL ELECTRONIC AUTOMATIC TEMPERATURE CONTROL (DATC) MODULE DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Run-Time (Intermittent) Faults or Self-Test (Hard) Faults | Description | Action to Take |
|---|---|---|---|
| B1242 | 1242 | Air inlet door actuator circuit failure | Go To PINPOINT TEST C . |
| B1251 | 1251 | In-vehicle temperature sensor circuit open | Go To PINPOINT TEST D: DTC B1251 OR DTC 1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1253 | 1253 | In-vehicle temperature sensor circuit short to ground | Go To PINPOINT TEST D: DTC B1251 OR DTC 1253 - A/C IN-VEHICLE TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1255 | 1255 | Ambient air temperature sensor open | Go To PINPOINT TEST F: DTC B1255 OR DTC B1257 - A/C AMBIENT TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1257 | 1257 | Ambient air temperature sensor short to ground | Go To PINPOINT TEST F: DTC B1255 OR DTC B1257 - A/C AMBIENT TEMPERATURE SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1259 | 1259 | A/C solar radiation sensor open circuit | Go To PINPOINT TEST G: DTC B1259 OR DTC B1261 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1261 | 1261 | A/C solar radiation sensor circuit short to ground | Go To PINPOINT TEST G: DTC B1259 OR DTC B1261 - SOLAR RADIATION SENSOR OPEN CIRCUIT OR SHORT TO GROUND . |
| B1262 | 1262 | Defrost door actuator circuit failure | Go To PINPOINT TEST C . |
| B1263 | 1263 | Panel door actuator circuit failure | Go To PINPOINT TEST C . |
| B1264 | 1264 | Floor door actuator circuit failure | Go To PINPOINT TEST C . |
| B1265 | 1265 | Cold air bypass door actuator circuit failure | INSPECT the vehicle for the presence of a cold air bypass door actuator. If a cold air bypass door actuator is present, Go To PINPOINT TEST C . If a cold air bypass door actuator is not present, ignore DTC B1265. |
| B1342 | 1342 | ECU defective | INSTALL a new DATC module. |
| B1676 | 1676 | Battery voltage out of range | - |
| B1946 | 1946 | Evaporator discharge temperature sensor open circuit | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B1947 | 1947 | Evaporator discharge temperature sensor circuit short to ground | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B1966 | 1966 | Driver heater core discharge temperature sensor open circuit | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B1967 | 1967 | Driver heater core discharge temperature sensor short circuit | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B2428 | 2428 | Passenger heater core discharge temperature sensor open circuit | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B2429 | 2429 | Passenger heater core discharge temperature sensor short circuit | Go To PINPOINT TEST E: DTC B1946, B1947, B1966, B1967, B2428 OR B2429 - EVAPORATOR OR HEATER CORE DISCHARGE AIR TEMPERATURE SENSOR CIRCUIT OPEN OR SHORT TO GROUND . |
| B2477 | 2477 | Module configuration failure | RECONFIGURE the DATC module. |
| B2797 | 2797 | Driver coolant control valve open circuit | Go To PINPOINT TEST J: FULL HEAT ONLY IN ALL MODES . |
| B2798 | 2798 | Driver coolant control valve circuit short to ground | Go To PINPOINT TEST H: INSUFFICIENT, ERRATIC OR NO HEAT . |
| B2799 | 2799 | Passenger coolant control valve open circuit | Go To PINPOINT TEST J: FULL HEAT ONLY IN ALL MODES . |
| B2800 | 2800 | Passenger coolant control valve circuit short to ground | Go To PINPOINT TEST H: INSUFFICIENT, ERRATIC OR NO HEAT . |
| U1041 | 5041 | SCP invalid or missing data for function read vehicle speed | REFER to INTRODUCTION article. |
| U1073 | 5073 | SCP invalid or missing data for engine coolant | REFER to INTRODUCTION article. |
| U1027 | 5027 | SCP invalid or missing data for engine RPM | REFER to INTRODUCTION article. |
| U1178 | 5178 | SCP invalid or missing data for voice command | This code will only appear if the vehicle is equipped with voice command. |
| U1222 | 5222 | SCP invalid or missing data for interior lamps | - |