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TCM T8 / P0742 6B

Symptom: Message appears in display.

  P0742 6B


Lock-up. Mechanical Fault.

Fault symptom

Message appears in display.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running and not in limp home mode.

Fault criteria:

TCM registers rapid speed changes on the output shaft or TCM registers a difference greater than 100 rpm between input shaft speed and engine rpm.

System reaction to a fault:

Excluded Lock-Up function.
Poor shifting quality.

Diagnostic help

Diagnosis regards:

Locating a mechanical fault.