DTC P2138: Notes
DTC P2138 DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P2138 |
APP sensor No. 1/No. 2 voltage correlation problem |
| DETECTION CONDITION |
- The PCM compares the input voltage from APP sensor No. 1 with the input voltage from APP sensor No. 2 when the engine is running. If the difference is more than the specification, the PCM determines that there is an APP sensor No. 1/No. 2 angle correlation problem.
Diagnostic support note
- This is a continuous monitor (CCM).
- The MIL illuminates if the PCM detects the above malfunction condition in the first drive cycle.
- FREEZE FRAME DATA is available.
- DTCs are stored in the PCM memory.
|
| POSSIBLE CAUSE |
- APP sensor No. 1 malfunction
- APP sensor No. 2 malfunction
- Connector or terminal malfunction
- PCM malfunction
|