C2173 LEXUS – Vehicle Speed Or Engine Speed Signal Malfunction

C2173 LEXUS Possible Symptoms

Tire Pressure Monitor System (TPMS) Warning Light ON,Anti-Lock Brake System (ABS) Warning Light ON

C2173 LEXUS Possible Causes

Faulty Combination Meter,Faulty Tire Pressure Warning ECU,Tire Pressure Warning ECU harness is open or shorted,Tire Pressure Warning ECU circuit poor electrical connection

C2173 LEXUS Description

The Tire Pressure Warning ECU receives a vehicle speed signal from the combination meter and an engine speed signal from the ECM. The Tire Pressure Warning ECU sets the OBDII code when the Vehicle Speed Or Engine Speed Signal is not to factory specifications.