7g-tronic Auxiliary Oil Pump problem
Discussion
Has anyone else here ever seen fault code U1138 - CAN communication with component ‘Auxiliary Oil Pump’?
The car has the engine light on and feels low on power, 65mph is about all it’ll do uphill on the motorway. The gearbox often refuses to respond to manual inputs or won’t shift above 5th. Other times it’ll go up to 7th.
The MB specialist garage I took it to said they’ve never seen this fault before.
The car has the engine light on and feels low on power, 65mph is about all it’ll do uphill on the motorway. The gearbox often refuses to respond to manual inputs or won’t shift above 5th. Other times it’ll go up to 7th.
The MB specialist garage I took it to said they’ve never seen this fault before.
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