DTC P2138: Notes
DTC P2138 [L3] DETECTION CONDITIONS AND POSSIBLE CAUSES
| DTC P2138 |
Accelerator pedal position (APP) sensor No. 1/No. 2 voltage 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).
- MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2/Mode12) is available.
- The DTC is stored in the PCM memory.
|
| POSSIBLE CAUSE |
- APP sensor connector or terminal malfunction
- APP sensor No. 1 malfunction
- APP sensor No. 2 malfunction
- PCM connector or terminal malfunction
- PCM malfunction
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