B1423
Pressure Sensor Circuit
B1423 is an OBD-II diagnostic trouble code meaning: Pressure Sensor Circuit. Common causes: open or short circuit in the pressure sensor wiring harness, failure temperaturesensor given sensor dimensional(incl.lower pressurehigher). Estimated repair cost: $56–333.
Symptoms
- Airbag light is on
- The SRS (Supplemental Restraint System) can be disabled
- Possible problems with seat belt pretensioners
Causes
- Open or short circuit in the pressure sensor wiring harness
- Failure temperaturesensor given sensor dimensional(incl.lower pressurehigher)
- Problems with the sensor connector contacts
- SRS control unit malfunction
How to Fix
- Check the integrity of the wiring harness and sensor connector contacts
- Measure the resistance and voltage at the pressure sensor
- Replace the faulty pressure sensor if necessary
- Test and if lostngine reset necessary replace the SRS control unit
- erase the error and check if it returns
Related codes
FAQ
What does the B1423 code mean?
B1423 is an OBD-II diagnostic trouble code that indicates: Pressure Sensor Circuit
What causes a B1423 error code?
The most common causes of B1423 include: Open or short circuit in the pressure sensor wiring harness; Failure temperaturesensor given sensor dimensional(incl.lower pressurehigher); Problems with the sensor connector contacts; SRS control unit malfunction.
How do I fix a B1423 diagnostic trouble code?
To fix B1423: Check the integrity of the wiring harness and sensor connector contacts. Measure the resistance and voltage at the pressure sensor. Replace the faulty pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1423?
Do not drive — repair immediately
How much does it cost to fix B1423?
The estimated repair cost for B1423 is $56–333. Actual cost depends on your vehicle, location, and labor rates.
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