MINI Exhibits Major Power Loss and Multiple Trouble Codes

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.

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.

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.

You May Also Like

Mercedes-Benz ABC Suspensions

The system provides great ride & handling, but it can be complicated to service if you do not have the right training.

Mercedes-Benz uses two different adjustable suspension systems in its vehicles – Airmatic and Active Body Control (ABC). Airmatic, as the name implies, is its air suspension system which we discussed back in April of this year. ABC uses hydraulic fluid at tremendous pressures to actively change the stiffness of the springs inside the shock assemblies, changing vehicle dynamics and ride height. This can be done automatically based on sensor inputs and module programming, or at the push of a button located near the shifter.

Audi TFSI/FSI: Oil Consumption And Carbon Buildup

Technical Service Bulletins can be valuable in helping solve vehicle problems. But sometimes, it takes multiple TSBs to find a pattern failure or the “root cause” of a problem. In the case of the Audi/VW 2.0L Fuel Stratified Injection (FSI) engine introduced in 2006, three problems related to engine carbon and fuel issues are connected

BMW Headlight Service

Taking a guess can get very pricey if you can’t return the part. 

BMW Diagnostics: Low Airflow After Cabin Filter Replacement

Models:  F97 X3 M  F98 X4 M G01 X3 G02 X4 G20 3-Series SITUATION After replacing the microfilter during a previous service, the customer notices that the ventilation system airflow rate is noticeably less. This leads to perceived lower cooling power. The customer may also notice that external odors enter the vehicle. Related Articles –

Carbon Deposit Q&A

Follow along to learn more about carbon deposits.

Other Posts

BMW Cooling System Problems

Let’s take a closer look at this unique water pump, how to replace it efficiently and what other components should be replaced along with it.

Audi Active Suspension Service

The key to servicing these systems is proper information and understanding precisely how these systems operate.

How To Service BMW Tire Monitor Systems

BMW has offered Tire Pressure Monitoring Systems (TPMS) for more than 20 years. These early indirect and direct systems were implemented not to meet the 2007 government mandate but to inform the driver when an expensive Michelin or Bridgestone run-flat tire was deflating. Some 2002 and 2003 models have an indirect system called Flat Tire

VW DSG Maintenance

A DSG transmission is lighter than a comparable automatic with the same number of speeds.