P1768
Test 1 Through 2:
Test 3 Through 7:
Test 8 Through 11:
Symptom:
P1768-RELAY OUTPUT ALWAYS OFF
When Monitored and Set Condition
P1768-RELAY OUTPUT ALWAYS OFF
When Monitored:Continuously
Set Condition: This code is set when less than 3 volts are present at the transmission control relay output (pins 16,17 and 36) circuits at the Transmission Control Module (TCM) when the TCM is energizing the relay.
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORTED TO GROUND
TRANSMISSION RELAY CONTROL CIRCUIT SHORTED TO GROUND
TRANSMISSION RELAY CONTROL CIRCUIT OPEN
GROUND CIRCUIT OPEN
FUSED B(+) CIRCUIT OPEN
TRANSMISSION CONTROL RELAY STUCK OPEN
TCM (TRANSMISSION RELAY ALWAYS OFF)