DTC 41

Circuit Description

DTCs 41 through 54 relates to the isolation and pulse-width modulation valves inside the BPMV. The various DTC numbers indicate either short or open conditions in the solenoids or module. No parts in the BPMV are serviceable. After verifying the DTC is consistent, the BPMV must be replaced.

TEST DESCRIPTION:

- Verity a DTC 41 through 54 is stored.
- Clear DTCs.
- Check history and run several function tests using the Tech 1.
- Check power and ground circuits.

Diagnostic Aids

If DTC 41 through 54 sets with other DTCs, check for a poor ground or power feed.

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.