What does code P1765 mean?

Q: What does code P1765 mean?

Trans 12 Volt Supply Relay Control Circuit Open Or Shorted. P1765 on a Chrysler vehicle means the Transmission Control Module (TCM) has detected an open or shorted circuit in the control wire for the transmission 12-volt supply relay. The TCM expects to see a specific voltage on the relay control circuit when it commands the relay on or off, and the measured voltage falls outside that expected range.

DTC codes / Chrysler codes / P1765

P1765 · ChryslerTrans 12 Volt Supply Relay Control Circuit Open Or Shorted

P1765 on a Chrysler vehicle means the Transmission Control Module (TCM) has detected an open or shorted circuit in the control wire for the transmission 12-volt supply relay. The TCM expects to see a specific voltage on the relay control circuit when it commands the relay on or off, and the measured voltage falls outside that expected range.

SystemPowertrain

Code typeChrysler specific

SeverityMedium

Fix difficultyIntermediate

AreaTransmission

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.