DTC Advanced Diagnostics: P060A (A/T System)

DTC P060A : TCM Monitoring Processor Malfunction

General Description

Courtesy of HONDA, U.S.A., INC.

If abnormality is occurred in the transmission control module (TCM) and no monitor signal from the sub CPU are continuously detected for a specified time, or the abnormalities of the sub CPU are continuously detected for a specified time, the TCM detects a malfunction and stores a DTC.

Monitor Execution, Sequence, Duration, DTC Type

Execution	Continuous
Sequence	None
Duration	3 consecutive times
DTC Type	One drive cycle, MIL on, shift position indicator blinks

Enable Conditions

Condition
Other	When the vehicle is turned from ON mode to OFF (LOCK) mode

Malfunction Threshold

Either of the conditions is detected at least 3 consecutive times at the timing when the vehicle is turned to the OFF (LOCK) mode.

No monitor signal from the sub CPU are detected.
Abnormalities of the sub CPU are detected.

Possible Cause

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.

TCM internal circuit failure

Confirmation Procedure

Operating Condition

Turn the vehicle to the ON mode.
Turn the vehicle to the OFF (LOCK) mode.

Diagnosis Details

Conditions for setting the DTC

When a malfunction is detected, the MIL comes on, the shift position indicator blinks, and a Pending DTC, a Confirmed DTC, and the freeze data are stored in the TCM memory.

Conditions for clearing the DTC

The shift position indicator comes off by turning the vehicle to the OFF (LOCK) mode. The MIL is cleared if the malfunction does not return in three consecutive trips in which the diagnostic runs. The MIL, the Pending DTC, the Confirmed DTC, and the freeze data can be cleared with the scan tool clear command.