AutoCodes – Generic – B1173

B1173 Code - Gauge Control Module Lost Communication With TPMS Control Unit

Quick Answer

The Gauge Control Module monitors the Tire Pressure Monitoring System (TPMS) Control Unit. Common causes include Faulty Tire Pressure Monitoring System (TPMS) Control Unit, Faulty Gauge Control Module, Gauge Control Module harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1173 indicates Gauge Control Module Lost Communication With TPMS Control Unit.
Common causes: Common causes include Faulty Tire Pressure Monitoring System (TPMS) Control Unit, Faulty Gauge Control Module, Gauge Control Module harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 3,495

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1173 Description

The Gauge Control Module monitors the Tire Pressure Monitoring System (TPMS) Control Unit. The Gauge Control Module sets the OBDII code when the TPMS Control Unit communication is not to factory specifications.

OBDII Code B1173 - Gauge Control Module Lost Communication With TPMS Control Unit - AutoCodes.com — B1173 Code - Gauge Control Module Lost Communication With TPMS Control Unit

What does this mean?

What are the Possible Causes of the DTC B1173?

Faulty Tire Pressure Monitoring System (TPMS) Control Unit
Faulty Gauge Control Module
Gauge Control Module harness is open or shorted
Gauge Control Module circuit poor electrical connection

How to Fix the DTC B1173?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1173 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1173 code?

Need more information on how to fix the B1173 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1173 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1173 Acura — Gauge Control Module Lost Communication With TPMS Control Unit
B1173 Honda — Gauge Control Module Lost Communication With TPMS Control Unit

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1173 Code

1. What are common symptoms of OBDII code B1173?

The common symptoms of OBDII code B1173 include malfunctioning tire pressure monitoring system (TPMS), inaccurate gauge readings, and warning lights on the dashboard.

2. What causes the OBDII code B1173 to occur?

The OBDII code B1173 occurs when the gauge control module loses communication with the TPMS control unit. This can be due to wiring issues, a faulty control module, or a malfunctioning TPMS unit.

3. How can I diagnose the OBDII code B1173?

Diagnosing the OBDII code B1173 involves checking the wiring connections between the gauge control module and the TPMS control unit, testing the control modules for proper functionality, and inspecting the TPMS unit for any faults.

4. What are the possible repair options for OBDII code B1173?

Repair options for OBDII code B1173 may include repairing or replacing faulty wiring connections, replacing the gauge control module or TPMS control unit if necessary, or reprogramming the modules to restore communication.

5. Can I drive my vehicle with the OBDII code B1173?

It is generally safe to drive your vehicle with the OBDII code B1173, but it is recommended to address the issue promptly to ensure proper functionality of the TPMS system and gauges.

6. How do I reset the OBDII code B1173?

Resetting the OBDII code B1173 involves using an OBDII scanner to clear the code after completing the necessary repairs or maintenance to restore communication between the gauge control module and the TPMS control unit.

7. Will the OBDII code B1173 cause any damage to my vehicle?

The OBDII code B1173 itself does not cause direct damage to the vehicle, but it can lead to inaccurate gauge readings and potentially affect the proper functioning of the TPMS system if left unresolved.

8. Can a DIY enthusiast fix the OBDII code B1173?

A DIY enthusiast with knowledge of automotive electrical systems may be able to diagnose and repair the OBDII code B1173 by following proper diagnostic procedures and using the necessary tools and equipment.

9. How much does it cost to repair the OBDII code B1173?

The cost of repairing the OBDII code B1173 can vary depending on the specific cause of the issue, the extent of the repairs needed, and whether any parts need to be replaced. Costs may range from a simple wiring repair to replacing control modules.

10. How often does the OBDII code B1173 occur in vehicles?

The occurrence of OBDII code B1173 can vary among different vehicle models and years. It is not one of the most commonly reported codes but can still occur due to issues with the communication between the gauge control module and the TPMS control unit.