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Trouble code P1870 means:Transmission conponent slipping
The trouble code U1000 for a 2005 GMC Sierra 1500 indicates a communication problem within the vehicle's network. It typically signifies that the Engine Control Module (ECM) is unable to communicate with other modules, such as the transmission control module or body control module. This issue can be caused by faulty wiring, a bad module, or poor connections. Addressing this code often requires checking the vehicle's wiring harness and connectors for damage or corrosion.
Trouble code P0301 means:Cylinder 1 misfire detected
Trouble code P0441 means: EVAP Purge Flow Monitor Fault
Diagnostic trouble code
Trouble code P0000 means: No fault found
Trouble code P3400 means: Cylinder deactivation system bank 1
Trouble code P0151 means:O2 sensor circuit low voltage (Bank 2 Sensor 1)
Trouble code P0440 means:Evaporative emission control system malfunction
Trouble code P0500 means:Vehicle speed sensor malfunction
Trouble code P0306 means: Cylinder #6 misfire detected
Trouble code P0441 means:Evaporative emission control system,incorrect purge flow