LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 87 (Automatic Transmission Diagnosis - ALLISON) >> Diagnostic Tests >> DTC P0500: Vehicle Speed Sensor Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The numbers listed below refer to step numbers in the diagnostic procedure:

  1. 4

    This step tests the TCM and circuit 400 for voltage at the PCM connector.
  2. 5

    This step tests for continuity and a short to ground in the wiring system between the TCM and PCM.