Internal Fault

Internal fault

Checking the shift solenoids




- Ignition on
- Gear selector in position P
- Activate shift solenoids S1, S2, S3, S4 and S5 individually.
The status should switch between OFF and ON.
If the status does not change this indicates an internal fault in the control module.





Does the solenoid status change?

Yes - No Fault Found

No - Replacing the control module

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Replacing the control module
For further information and to replace the control module, see Replacing the transmission control module (TCM), AW55-50/51SN Service and Repair.





Continue - Verification

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Verification




Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Connect the connectors, install the components etc.
- Ignition on.
- Gear selector in position P.
- Activate solenoids S1, S2, S3, S4 and S5 separately.
The status should alternate between OFF and ON.





Has the status changed?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking the shift solenoids

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