Transmission Control System

DTC P0606: Transaxle Control Module Processor Fault





Circuit Description
In case that TCM reset has occurred by software (warm reset) not by ignition key ON, TCM increments software reset counter. If the counter exceeds the permissible maximum value for the software count then the fault will be detected.

Conditions for Setting the DTC
^ System voltage is too high or too low.
^ Transaxle input voltage is too high or too low.
^ Immediately after the above condition occurs.

Action Taken When the DTC Sets
^ The Malfunction Indicator Lamp (MIL) will illuminate.
^ The TCM will record operating conditions at the time the diagnostic fails. This information will be stored in the Failure Records buffer.
^ Adopt Emergency/Substitute mode and constant 4th gear.
^ Power supply cut OFF to the EDS valve.

Conditions for Clearing the MIL/DTC
^ The MIL will turn OFF when the malfunction has not occurred after three-ignition cycle.
^ A history DTC will clear after 40 consecutive warm up cycles without a fault.
^ Using a scan tool can clear history DTCs.

Troubleshooting