Diesel Data: Automotive Repair

Pressure Switch Circuit Open/Short

NAME OF CODE
Pressure Switch Circuit Open/Shorted

NOTE The code becomes active as soon as the malfunction is detected and stored when the ignition is switched off.

WHEN MONITORED
Continuously with ignition on.

POSSIBLE CAUSES
- Open PAB pressure switch sensor circuit
- Open PAB pressure switch (internal)
- Open PAB switch ground circuit
- PAB pressure switch sense circuit short to ground
- PAB pressure switch sense circuit shorted to the left or right impact sensor line 1 circuits.
- PAB pressure switch sense circuit short to voltage
- Faulty passenger airbag module assembly
- Faulty airbag control module
- Loose or poor connection at connector terminals