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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Battery >> Diagnostic Information and Procedure >> DTC P1638 >> Diagnostic Test

Diagnostic Test

Fig 1: DTC P1638 Diagnostic Table (1 Of 2)

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Courtesy of GENERAL MOTORS CORP.

Fig 2: DTC P1638 Diagnostic Table (2 Of 2)

G01646474

Courtesy of GENERAL MOTORS CORP.

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