
2001 Hummer H1 6.5L No Start
The vehicle came in with a hot start problem that occurs intermittently. The codes listed below were in memory, but the MIL was not on. I have not been able to duplicate the problem so far, but another person in the shop had a hard time starting the vehicle wh...
FIX posted 5/27/2007
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Message Closed w/FIX
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VIN | 137AZ83371 |
Engine | 6.5 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Hot, Intermittently |
Trouble Codes
P1641 | MIL Control Circuit Malfunction |
P1643 | Engine Speed Output Circuit Malfunction |
P1654 | J1850 (PCI) Communication Bus Circuit High |
Message Closed w/FIX
Vehicle Data
2001 Hummer H1
VIN | 137AZ83371 |
Engine | 6.5 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | No Start |
Occurs | Hot, Intermittently |
Trouble Codes
P1641 | MIL Control Circuit Malfunction |
P1643 | Engine Speed Output Circuit Malfunction |
P1654 | J1850 (PCI) Communication Bus Circuit High |