HomeU04A9 · Manufacturer communications

U04A9 · Manufacturer communications

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

U04A9 →

VOLKSWAGEN

Reported code forms U04A9

Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak,…

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VOLKSWAGEN

Reported code forms U04A9

Oil leak from Cylinder Head Cover; Customer states MIL-on, P0456, P0442, or P04F0 stored in ECM memory; Customer states MIL-on; Coolant leak from the cylinder head gasket, low coolant level, visible coolant leak,…

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VOLKSWAGEN

Reported code forms U04A9

Oil leak from Cylinder Head Cover; Customer states MIL-on, P055F stored in ECM memory with message on cluster stating “please warm engine oil to 176 degrees F”; Customer states key functions (FOB or KESSY) for lock…

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VOLKSWAGEN

Reported code forms U04A9

Customer states MIL-on, P055F stored in ECM memory with message on cluster stating “please warm engine oil to 176 degrees F”; Oil leak from Cylinder Head Cover; Customer states MIL-on, P0087 Stored in ECM memory;…

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VOLKSWAGEN

Reported code forms U04A9

Customer states MIL-on, P055F stored in ECM memory with message on cluster stating “please warm engine oil to 176 degrees F”; Oil leak from Cylinder Head Cover; Customer states MIL-on, P0087 Stored in ECM memory;…

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VOLKSWAGEN

Reported code forms U04A9

Customer states MIL-on, P055F stored in ECM memory with message on cluster stating “please warm engine oil to 176 degrees F”; Oil leak from Cylinder Head Cover; Customer states MIL-on, P0087 Stored in ECM memory;…

Read communication ↗

VOLKSWAGEN

Reported code forms U04A9

Customer states MIL-on, P055F stored in ECM memory with message on cluster stating “please warm engine oil to 176 degrees F”; Customer states MIL-on, P0442 stored in ECM memory; Oil leak from Cylinder Head Cover;…

Read communication ↗