Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information
981 3190 Replaced by 9511428 981 3190 Replaced by 951 1428 998 8686 Replaced by 9511532 998 8686 Replaced By 9511532
Condition




Diagnostic trouble code (DTC) AT- 421 is stored if the transmission control module (TCM) detects that the power supply to transmission control module (TCM) terminal 30 is missing for approximately 10 seconds.

Substitute value
None.

Possible source
- Open-circuit in the power supply.
- Contact resistance in the terminals.

Fault symptom[s]
- No fault symptoms.