MINI Exhibits Major Power Loss and Multiple Trouble Codes

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Import Car
Providing technical information and service resources to the import vehicle community
European

MINI Power Loss, Multiple Diagnostic Trouble Codes

The customer says the MINI Cooper loses power between 30 and 40 mph for a couple of seconds, with other components also powering down. The A/C blower will drop, and after the engine picks back up, the MIL illuminates.

ImportCar Staff Writers
By ImportCar Staff Writers
Published:

Model: 2007 MINI Cooper Base 1.6
Symptom: The customer says the vehicle loses power between 30 and 40 mph for a couple of seconds, with other components also powering down. The A/C blower will drop, and after the engine picks back up, the MIL illuminates.

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Trouble Code Diagnostic Steps Performed/Parts Replaced:

> Tested alternator, failed ripple test & replaced.
> Codes shown after alternator replacement:
• ABS: 5DBB Wake Up Line Error
• Elec. Immob: AOBD Wake Up Line Error
• Tire Pressure Monitoring: 5DBB Wake Up Line Error
• Air Bag: 93B1 Passenger Head Air Bag History
> Codes shown prior to alternator replacement:
• Engine (DME/DDE): 2E67 No BSD Message From Generator 2845 Vanos Exhaust Activation Movement (Found Low Oil)
• Immobilizer: A0B6 Selector Lever Interlock
• Air Bag: 93B1 Passenger Head Air Bag
• Information not available to reset these codes.
Cause: Common connections for systems covered by the codes led to discovery of corrosion in the grounds near the passenger-side fuse block and chassis grounds.
Correction: Cleaned and treated all grounds and connections to that fuse block. All codes cleared and all symptoms disappeared.

Courtesy of Mitchell 1 SureTrack Real Fixes.

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