OBD-II Standard OBD-II Universal Error Code B0948

OBD-II Standard OBD-II Major Body

Model: OBD-II Universal | Code: B0948

Applicable Systems
OBD-II

Symptoms

The vehicle tilt sensor for the alarm system may not function. The alarm may not detect vehicle lifting or towing. DTC B0948 is stored in the body control module.

Possible Causes

  • Tilt sensor internal fault
  • Sensor mounting loose or misaligned
  • Sensor wiring faulty
  • Alarm system control module fault

Troubleshooting Steps

  1. Step 1: Connect a diagnostic scanner and read body DTCs to confirm B0948
    DTC B0948 is present with freeze frame data
  2. Step 2: Inspect wiring and connectors in the affected circuit
    Wiring intact, connectors clean and properly seated
  3. Step 3: Perform component-level testing per manufacturer diagnostic procedure
    Component values within specification or component confirmed faulty
  4. Step 4: Clear the DTC and verify it does not return
    DTC does not return after system self-test

How to Reset

Clear the DTC after repair using a diagnostic scanner. The code will clear automatically if the fault is no longer detected after 3 consecutive drive cycles.

Common Replacement Parts

  • varies: Vehicle tilt sensor (if confirmed faulty) (Confirm part number via VIN before ordering)

Frequently Asked Questions

  • Q: What does code B0948 mean?

    This is a body-related diagnostic trouble code indicating an issue with the body system. The specific component should be diagnosed per the manufacturer's procedure.

  • Q: Is code B0948 safe to ignore?

    If the code relates to the airbag system (SRS), it is NOT safe to ignore as airbags may not deploy in a crash. For other body systems, the vehicle can typically be driven but the affected feature may not work.

Source: SAE J2012 Standard OBD-II Diagnostic Trouble Codes

Category: OBD-II