P161B ISUZU – Battery Disconnect/TCM Internal

P161B ISUZU Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P161B ISUZU Possible Causes

Low Vehicle Battery Charge,Faulty Transmission Control Module (TCM),TCM Software Calibration,TCM harness is open or shorted,TCM circuit poor electrical connection

P161B ISUZU Description

The Transmission Control Module (TCM) has detected that the calculated checksum does not match the stored checksum configuration or the TCM has encountered an interruption in the TCM power source.