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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0503: Low Vehicle Speed And There Is A High Engine Speed In A Drive Gear Range >> Test Description

Test Description

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The numbers below refer to the step numbers on the diagnostic table.

  1. 3. This step tests the VSS assembly circuit.
  2. 4. This step tests the integrity of the VSS assembly.
Fig 1: DTC P0503 (1 Of 3)
G02424330Courtesy of GENERAL MOTORS CORP.
Fig 2: DTC P0503 (2 Of 3)
G02424331Courtesy of GENERAL MOTORS CORP.
Fig 3: DTC P0503 (3 Of 3)
G02424332Courtesy of GENERAL MOTORS CORP.
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