B1173
Gauge Control Module Lost Communication With TPMS Control Unit
B1173 is an OBD-II diagnostic trouble code meaning: Gauge Control Module Lost Communication With TPMS Control Unit. Common causes: broken or damaged wiring harness between modules, instrument panel module malfunction. Estimated repair cost: $56–167.
Symptoms
- No tire pressure readings on the dashboard
- TPMS malfunction indicator comes on
- There may be other errors related to TPMS
Causes
- Broken or damaged wiring harness between modules
- Instrument panel module malfunction
- TPMS control unit malfunction
- Power or grounding problems
- Corrosion or poor contact in connectors
How to Fix
- Check the integrity of the wiring harness between the modules
- Check connectors for corrosion or damage
- Check power and grounding of both modules
- Conduct diagnostics on the instrument panel module
- Diagnose the TPMS control unit
- If necessary, replace the faulty module or wiring harness
Related codes
FAQ
What does the B1173 code mean?
B1173 is an OBD-II diagnostic trouble code that indicates: Gauge Control Module Lost Communication With TPMS Control Unit
What causes a B1173 error code?
The most common causes of B1173 include: Broken or damaged wiring harness between modules; Instrument panel module malfunction; TPMS control unit malfunction; Power or grounding problems.
How do I fix a B1173 diagnostic trouble code?
To fix B1173: Check the integrity of the wiring harness between the modules. Check connectors for corrosion or damage. Check power and grounding of both modules. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1173?
Limited driving only, diagnose soon
How much does it cost to fix B1173?
The estimated repair cost for B1173 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat