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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Transmission >> Transfer Case >> Transfer Case - NVG 136-NP4 >> Diagnostic Information and Procedures >> DTC C0310: Open On The Motor Control A Circuit Or The Motor Control B Circuit >> Test Description

Test Description

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

  1. 2. Tests Motor Control A for an open circuit.
  2. 3. Tests Motor Control B for an open circuit.
  3. 4. Tests for an open across the motor windings.
Fig 1: DTC C0310
G01643204Courtesy of GENERAL MOTORS CORP.