DTC P2123: Notes
DTC P2123 [AJ] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P2123 |
APP sensor No.1 circuit high input |
| DETECTION CONDITION |
- The PCM monitors the APP sensor No.1 signal at PCM terminal 1 AO. If the PCM detects APP sensor No.1 voltage of 4.8 V or above
, the PCM determines that the APP sensor No.1 circuit has a malfunction.
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 is available.
- DTC is stored in the PCM memory.
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| POSSIBLE CAUSE |
- APP sensor No.1 malfunction
- Connector or terminal malfunction
- Short to power circuit between APP sensor terminal F and PCM terminal 1AO
- Open circuit between APP sensor terminal E and PCM terminal 1X
- PCM malfunction
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