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Home >> Ford >> 1989 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Trouble Codes >> Code 5
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Code 5

  1. If code occurs when vehicle is in "4WD" mode only, go to step 2). If code occurs in "2WD" mode, unplug control module. Drive vehicle and make several normal stops to check rear brake operation. If rear brake operates properly, replace electro-hydraulic valve and retest system. If rear brakes lock-up easily or are grabbing, repair rear brake system (mechanical) and retest system.
  2. If code occurs in "4WD" mode, unplug control module connector. Turn ignition on. Place transfer case in "4WD" mode. Measure voltage at module pin No. 5. If voltage is less than one volt, replace electro-hydraulic valve. If voltage is one volt or more, repair or replace 4WD indicator switch, located on transfer case.
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