2008 BMW 328i
Mileage
93,290
Service Date
3/23/2026
Services Performed
- Services performed by ASE certified technician: –Use of hand held scan tools and/or laptop computer programs to access trouble codes causing check engine light –Use of computer diagnostic programs –Use of internet subscription technical sites –Use of up to one hour of ASE certified technician's time to determine the source of the problem causing the trouble code –Most but not all check engine lights or other driveability problems can be determined by the Check Engine Light/Level 1 Diagnostic service –Sometimes additional diagnostics may be required A738 POWER SUPPLY INTERRUPTED, 5DF4 BATTERY VOLTAGE TOO LOW OPEN CIRCUIT, 5DF7 SYSTEM VOLTAGE TOO HIGH, 9503 STEERING COLUMN SWITCH CLUSTER OVER VOLTAGE, A559 INSTRUMENT CLUSTER POWER SUPPLY HAS BEEN SWITCHED OFF, 5D97 CONTROL UNIT POWER SUPPLY, 9408 UNDER VOLTAGE DURING SELF TEST, 2ECC GENERATOR COMMUNICATION, 2DEB POWER MANAGEMENT, 2A3F VALVETRONC ACTUATOR MOTOR POWER SUPPLY, 2E81 ELECTRICAL COOLANT PUMP SPEED DEVIATION, 2E85 COOLANT PUMP COMMUNICATION, 2A1A TANK VENTING SYSTEM FUNCTION, 2DED POWER MANAGEMENT CLOSED CIRCUIT CURRENT MONITORING, PDEC POWER MANAGEMENT BATTERY MONITORING / FAULTS HAVE NOT RETURNED AFTER ALTERNATOR REPLACEMENT. MAY NEED ADDITIONAL DIAGNOSIS IF ANY FAULTS RETURN
- – Load test the battery and check the connections – FAILED – Check drive belts – OK – Check the alternator output _16.9__ volts – FAILED (OVERCHARGING) – Check the wiring at the alternator – OK – Check for excessive draws on the battery – NORMAL
- REPLACE THE ALTERNATOR (OVER CHARGING)
- REMOVE AND REPLACE THE BATTERY, SET CLOCK TO CORRECT TIME, INITIALIZE WINDOWS (INCLUDING SUNROOF / CONVERTIBLE TOP AND POWER LOCKS), ENTER RADIO CODE AND REGISTER NEW BATTERY TO VEHICLE (ADDITIONAL CHARGES MAY APPLY)
- CALIFORNIA BATTERY FEE
- REPLACE THE ALTERNATOR (DEFECTIVE / CAUSING CHARGING SYSTEM ERROR FAULT IN ECU #2ED2 GENERATOR, REGULATOR INCORRECT) *WARRANTY*
- REPLACE THE ALTERNATOR (DEFECTIVE / CAUSING CHARGING SYSTEM ERROR FAULT IN ECU #2ED2 GENERATOR, REGULATOR INCORRECT) *WARRANTY #2*
SONIA E. gave our service a 5 star review on 3/23/2026
