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2003 Chevrolet Trailblazer LS 4.2L MIL Lamp on, OTHER SERVICE LMPS
When the heater fan is turned on the 4wd service lamp, ABS lamp, Brake warning lamps come on and the U1041 code sets when fan is turned on. When this happens, the fan does not come on and the communication with the scanner is cut off. When the fan is turned of...
FIX posted 9/6/2007
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GNDT13573 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Other Service Lmps |
| Occurs | Always, Intermittently |
| Misc. | 4.2 6 Cyl. |
Trouble Codes
| B0790 | Transfer Case Neut. Indicator Circuit |
| C0379 | Front Axle Circuit Malfunction |
| U1000 | Class 2 Communication Malfunction |
| U1041 | Loss of Electronic Brake Controller Communication |
Message Closed w/FIX
Vehicle Data
2003 Chevrolet Trailblazer LS
| VIN | 1GNDT13573 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp on, Other Service Lmps |
| Occurs | Always, Intermittently |
| Misc. | 4.2 6 Cyl. |
Trouble Codes
| B0790 | Transfer Case Neut. Indicator Circuit |
| C0379 | Front Axle Circuit Malfunction |
| U1000 | Class 2 Communication Malfunction |
| U1041 | Loss of Electronic Brake Controller Communication |
Video