Trouble Ticket Help Requests for DTC B2647
|1999 GMC Sierra 1500 SL 5.3L MIL Lamp on VIN: 2GTEK19T5X
B2647: Ambient Light Sensor Circuit Low. ... a big service, including changing transmission fluid and filter. The customer says when the service four-wheel drive light comes on the vehicle will not shift properly. When I hooked up my Modis I got the code B2647 ambi...
|October 24, 2014|