
2003 GMC Sierra 2500 HD SLE 6.6L Alternator
Vehicle came in with battery light on, "no battery charging" message on dash. Tested for output, found no alternator output. Scanned OBD, found code p0621 "gen L terminal fault. Figured the alernator was bad, so got another one and installed it, still no charg...
FIX posted 1/31/2007
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Message Closed w/FIX
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VIN | 1GTHK23173 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Affected | Alternator |
Conditions | No Output |
Misc. | Crew Cab, PCM #12210729 |
Message Closed w/FIX
Vehicle Data
2003 GMC Sierra 2500 HD SLE
VIN | 1GTHK23173 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Affected | Alternator |
Conditions | No Output |
Misc. | Crew Cab, PCM #12210729 |