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DTC C0267: Pump Motor Circuit Open ("L" & "M" Series): Diagnosis

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  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK. After performing diagnostic system check, go to next step.
  2. Turn ignition off. Disconnect 2-pin EBCM harness connector. Inspect connector and wiring for damage or corrosion that could cause a loss of power to EBCM. If connector and wiring are okay, go to next step. If connector or wiring is faulty, go to step 6)  .
  3. Check resistance between ground and 2-pin EBCM harness connector terminal "B". If resistance is 0-2 ohms, go to next step. If not, go to step 7)  .
  4. Check voltage between ground and 2-pin EBCM harness connector terminal "A". If voltage is reading is greater than 10 volts, go to step 8)  . If not, go to next step.
  5. Check ABS fuse or fusible link. If fuse or fusible link is open, go to step 9)  . If fuse or fusible link is okay, go to step 10)  .
  6. Repair 2-pin EBCM harness connector as necessary.
  7. Repair open or high resistance in ground circuit to EBCM.
  8. Replace EBCM.
  9. Repair short to ground in battery circuit between underhood fuse/relay block and EBCM.
  10. Repair open or high resistance in battery circuit to EBCM.
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