
2003 Chevrolet Silverado 2500 HD 6.6L No Start, MIL Lamp on
we have a intermitten no start with this truck and a pile of loss of communication codes, we have checked wiring and relays, but everthing looks ok ! but before we start changing box's, has anyone seen this problem before. the trouble code tree for p1621 leads...
FIX posted 3/17/2008
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Message Closed w/FIX
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VIN | 1GCHK29163 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0380 | Intake Air Heater Relay 1 Control Circuit Malfunction |
P1621 | Control Module Long Term Memory Performance |
U1064 | Lost Communication With BCM / VCD Module |
U1800 | Lost Communication With Fuel Injector Control Module |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Silverado 2500 HD
VIN | 1GCHK29163 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0380 | Intake Air Heater Relay 1 Control Circuit Malfunction |
P1621 | Control Module Long Term Memory Performance |
U1064 | Lost Communication With BCM / VCD Module |
U1800 | Lost Communication With Fuel Injector Control Module |