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Diagnosis And Testing
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Four-Wheel Drive Control Module Diagnostic Trouble Code Index
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Pinpoint Test A: No Communication With The Four-Wheel Drive (4WD) Control Module
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Possible Causes
Possible Causes
circuit 972 (BK/WH)
circuit 1203 (BK/LB)
4WD control module
circuit 693 (OG)
Fig 1: Pinpoint Test A: No Communication With The Four-Wheel Drive (4WD) Control Module (Step A1)
Courtesy of FORD MOTOR CO.
Fig 2: Pinpoint Test A: No Communication With The Four-Wheel Drive (4WD) Control Module (Steps A1 Cont. & A2)
Courtesy of FORD MOTOR CO.