FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

P0882

Symptom List:
P0882-TCM POWER INPUT LOW
P0888-RELAY OUTPUT ALWAYS OFF


Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P0882-TCM POWER INPUT LOW

When Monitored and Set Condition:

When Monitored: Continuously

Set Condition: This DTC is set when less than 3 volts are present at the Transmission Control Relay output circuits at the Transmission Control Module (TCM) when the TCM is energizing the relay. Note: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has its own specific power and ground circuits.

P0888-RELAY OUTPUT ALWAYS OFF

When Monitored: Continuously

Set Condition: This DTC is set when less than 3 volts are present at the Transmission Control Relay output circuits at the Transmission Control Module (TCM) when the TCM is energizing the relay. Note: Due to the integration of the Powertrain and Transmission Control Modules, the transmission part of the PCM has its own specific power and ground circuits.

POSSIBLE CAUSES
- FUSED B+ CIRCUIT OPEN
- TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT OPEN
- TRANSMISSION CONTROL RELAY
- TRANSMISSION CONTROL RELAY CONTROL CIRCUIT OPEN
- TRANSMISSION CONTROL RELAY GROUND CIRCUIT OPEN
- TRANSMISSION CONTROL RELAY CONTROL CIRCUIT SHORT TO GROUND
- TRANSMISSION CONTROL RELAY OUTPUT CIRCUIT SHORT TO GROUND
- TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
- POWERTRAIN CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS

Test 1 - Test 4:




Test 5 - Test 7:




Test 8 - Test 10:




Test 11 - Test 13: