DTC Advanced Diagnostics: P1A4C: General Description
When the transmission control module (TCM) shifting control malfunctions, it may cause unintended rapid deceleration, caused by the gear shifted to abnormal shift position. The TCM presumes that the gear is shifted to abnormal shift position from the value of the transmission fluid pressure sensor. If the TCM determines a shifting control malfunction, a DTC is stored.
Monitor Execution, Sequence, Duration, DTC Type
| Execution | Continuous |
| Sequence | None |
| Duration | 0.4 second or less |
| DTC Type | Two drive cycles, MIL on, shift position indicator blinks |