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2009 GMC Sierra 3500 HD WT 6.6L MIL Lamp on
Ok this is an intermittent problem,seems to happen only when started cold and not every time that it is started [...] an amp clamp on the main power to the heater it looks like it starts at about 150a,then starts to taper down after a [...] two.(that is at jus...
Summary posted 4/5/2014
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Related Documents & Media | VIN | 1GTHK79659 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P154C | Intake Air (IA) Heater Current Signal Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
2009 GMC Sierra 3500 HD WT
| VIN | 1GTHK79659 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cold |
Trouble Codes
| P154C | Intake Air (IA) Heater Current Signal Circuit Malfunction |
Video