P1765

Tests 1 - 3:

Tests 4 - 8:

Test 9:

SYMPTOM
P1765 - TRANSMISSION 12 VOLT SUPPLY RELAY CONTROL CIRCUIT

WHEN MONITORED
Continuously with the Key ON.

SET CONDITION
This code is 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
- Generator source circuit open
- Transmission relay control circuit open
- Transmission relay control circuit shorted to ground
- Transmission control relay wiring harness intermittent defect
- Transmission control relay wiring harness observable defect
- Powertrain Control Module
- Transmission control relay