FixVault

Home › Mazda › 2003 › Tribute DX, FWD › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P1780: Transaxle Control Switch - Malfunction › Possible Causes

Possible Causes

Possible causes are:

Damaged indicator bulb and/or fuse.
Damaged PCM.
Damaged TCS.
Open or short circuit.