B2948
Security System Sensor Power Circuit High
B2948 is an OBD-II diagnostic trouble code meaning: Security System Sensor Power Circuit High. Common causes: short circuit in wiring harness, security module malfunction. Estimated repair cost: $33–111.
Symptoms
- The security system malfunction indicator is on
- The security system may not work correctly
- The car may not respond to the alarm key fob
Causes
- Short circuit in wiring harness
- Security module malfunction
- Damage to the safety sensor
- Incorrect connection of additional equipment
- Grounding problems
How to Fix
- Check the voltage in the power supply circuit of the security system sensors
- Inspect the wiring harness for damage
- Check connections and grounding
- Test sensors and security system module
- Replace damaged components if necessary
Related codes
FAQ
What does the B2948 code mean?
B2948 is an OBD-II diagnostic trouble code that indicates: Security System Sensor Power Circuit High
What causes a B2948 error code?
The most common causes of B2948 include: Short circuit in wiring harness; Security module malfunction; Damage to the safety sensor; Incorrect connection of additional equipment.
How do I fix a B2948 diagnostic trouble code?
To fix B2948: Check the voltage in the power supply circuit of the security system sensors. Inspect the wiring harness for damage. Check connections and grounding. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2948?
Do not drive — repair immediately
How much does it cost to fix B2948?
The estimated repair cost for B2948 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat