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DTC C1217: Pump Motor Shorted To Ground

  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. After performing diagnostic system check, go to next step.
  2. Turn ignition off. Disconnect EBCM harness connector. Connect Universal Pinout Box (J-39700 ) using Cable Adapter (J-39700-99) to EBCM harness connector only. Check both ground circuits of EBCM including EBCM ground for open or high resistance. Repair as necessary. After repairs, go to step  8 . If circuit is okay, go to next step.
  3. Remove EBCM from BPMV. See ELECTRONIC BRAKE CONTROL MODULE & BRAKE PRESSURE MODULATOR VALVE ASSEMBLY  . Check resistance from both pump motor control circuits of BPMV to housing of BPMV. If resistance is less than 5 ohms, go to next step. If resistance is not less than 5 ohms, go to step  5 .
  4. Check BPMV harness connector for poor connections. Repair as necessary. After repairs, go to step  8 . If connections are okay, go to step  6 .
  5. Check EBCM harness connector for poor connections. Repair as necessary. After repairs, go to step  8 . If connections are okay, go step  7 .
  6. Replace BPMV. After replacing BPMV, go to step  8 .
  7. Replace EBCM. After replacing EBCM, go to next step.
  8. Using scan tool, clear DTCs. Turn ignition on and recheck for DTCs. If DTC resets, go to step  2 . If DTC does not reset, system is okay.
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