DTC 68
DTC 67 Open Motor Circuit or Shorted BPMV Output
DTC 68 Locked Motor or Shorted Motor Circuit
Circuit Description
DTCs 67 and 68 relate too the pump motor and circuit in the BPMV. The motor and pumps are integral with the BPMV and cannot be serviced. The BPMV most be replaced if these tests show the motor or internal circuitry have failed. These DTCs can be caused by poor power and ground at the 2-way connector or motor harness on the BPMV.
Test Description
- Check the voltage and ground circuits at the BPMV 2-way connector.
- Check the motor harness and connector for damage.
- Check CKT 450 for a good ground.
- Check if DTC returns after being cleared.
Diagnostic Aids
Do not pierce the electrical connectors, wires, seals or insulation during testing. Doing so will break the seal and lead to corrosion and failure of the wiring and terminals.