Advanced Diagnostics

DTC P060A: Powertrain Control Module (PCM) (A/T System) Internal Control Module Malfunction




General Description
When a Malfunction occurs in the internal communication between the Fl CPU and the A/T CPU in the power train control module (PCM) and the internal communication is interrupted for a set time or more, or when the watchdog timer that monitors the A/T CPU detects an abnormality in the A/T CPU and notifies the Fl CPU via the A/T CPU check signal line, the PCM detects a Malfunction and a DTC is stored.




Monitor Execution, Sequence, Duration, DTC Type, OBD Status




Enable Conditions

Malfunction Threshold
One of these symptom occurs.
- Symptom 1
The internal communication between the Fl CPU and A/TCPU is abnormal or the internal communication is interrupted for at least 1 second.
- Symptom 2
The watchdog timer that monitors the A/T CPU detects an abnormality, and the Fl CPU receives the A/T CPU check signal for at least 0.2 second.

Diagnosis Details

Conditions for illuminating the MIL
When a Malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the PCM memory.

Conditions for clearing the MIL
The MIL will be cleared if the Malfunction does not recur during three consecutive trips in which the diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by disconnecting the battery.