
2001 BMW 540i 4.4L Poor Idle Quality, Surge, MIL Lamp on, no power
Vehicle starts right up and immediately goes into fail safe drive mode, 2000 RPM max. Have tried clearing code, cleaning, and many different relearn procedures but problem still there. No pinout or wire values on All Data. Can anyone help with diognosis of thr...
FIX posted 6/19/2009
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Message Closed w/FIX
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VIN | WBADN63431 |
Engine | 4.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp on, No Power |
Occurs | Always |
Trouble Codes
P1637 | TCM Internal - EEPROM Performance |
Message Closed w/FIX
Vehicle Data
2001 BMW 540i
VIN | WBADN63431 |
Engine | 4.4 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp on, No Power |
Occurs | Always |
Trouble Codes
P1637 | TCM Internal - EEPROM Performance |