Operation CHARM: Car repair manuals for everyone.

Transmission Control System



DTC P1702 (No.52): Internal Malfunction of TCM





DTC Detecting Condition and Trouble Area

DTC Confirmation Procedure


1) Connect scan tool to DLC with ignition switch OFF.

2) Clear DTCs in 1CM and ECM memories by using scan tool.

3) After passing 10 seconds from turning ignition switch ON, check DTC, pending DTC and freeze frame data.





DTC Troubleshooting