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2007 Chevrolet Tahoe LTZ 5.3L No Start, MIL Lamp on
Posted to GM Driveability on 1/26/2012 9 Replies

Group I had this tahoe towed in with a start then dies problem. Scan showed 6 codes so I erased to see what showed up when retrying to start. Gets a hard p0641 for the reference voltage. I looked on alldata and followed the tree and while in the engine area I ...

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  Related Documents & Media  2007 Chevrolet Tahoe LTZ

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFK13047
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Tahoe LTZ

VIN 1GNFK13047
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Start, MIL Lamp On
OccursAlways

Trouble Codes

P0641PCM Sensor Reference Voltage 'A' Circuit Malfunction