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Code 3 (Open Dump Circuit)

  1. Turn ignition off. Disconnect battery. Unplug control module connector. Measure resistance between pin No. 8 or 14 and ground on valve side. See Figure . If resistance is less than 3 ohms, replace control module. If resistance is 3 ohms or more, reconnect module connector.
  2. Unplug electro-hydraulic valve connector. Measure resistance between dump solenoid pin and ground pin on valve side. If resistance is less than 3 ohms, repair open between dump valve connector and control module. If resistance is 3 ohms or more, replace electro-hydraulic valve.
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