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P0888

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:

P0882-TCM POWER INPUT LOW
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
- POWERTRAIN CONTROL MODULE
- TRANSMISSION SOLENOID/PRESSURE SWITCH ASSEMBLY
- INTERMITTENT WIRING AND CONNECTORS

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