Cadillac STS P0496 OBDII Code Diagnosis

      One of the most common trouble codes with the Cadillac STS is the P0496 code. This code number references a number that is given to you when you plug your STS into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Cadillac STS. … Read more

Cadillac XTS P0171: Causes, Diagnosis, + How to Fix

One of the most common trouble codes with the Cadillac XTS is P0171. It indicates that your Cadillac XTS is running lean on the bank one side.  It’s the most common air/fuel mixture-related code. It’s not the most complicated OBDII trouble code to diagnose. It is also one of the most common codes. The most … Read more

Cadillac XTS P0446: Meaning, Causes, How to Fix

A prevalent issue with the Cadillac XTS is the P0446 code. This code corresponds to a specific number obtained when connecting your XTS to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more