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TCM T8 / P0986 05

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display.

  P0986 05


Solenoid S1 Circuit, Open/Short to B+

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:

Solenoid signal output is OFF but the input receives an ON signal.

System reaction to a fault:

Limp home

Checking the wiring harness

Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:

Electrical fault in connecting leads or component.