B1173 Code: Meaning, Causes, and Symptoms | OBD2 Codes

B1173 – Gauge Control Module Lost Communication With TPMS Control Unit

 

B1173 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

B1173 Possible Causes

 

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

 

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.