Operation CHARM: Car repair manuals for everyone.

P1765

Tests 1 - 3:




Tests 4 - 8:




Test 9:




SYMPTOM
P1765-TRANS 12 VOLT SUPPLY RELAY CTRL CIRCUIT

WHEN MONITORED
Continuously with the key ON.

SET CONDITION
This code will set if the voltage detected on the Transmission Relay Control circuit at the PCM is different than the expected voltage for 3 seconds.

POSSIBLE CAUSES
- Transmission control relay
- Intermittent TRANS 12 volt supply relay
- Generator source circuit open
- Generator source circuit shorted to ground
- Transmission relay control circuit open
- Transmission relay control circuit shorted to ground
- PCM - TRANS relay