The GM Service Guy

Chevy Code P1516: Meaning, Causes & How to Fix It Code P1516 means the Throttle Actuator Control (TAC) module commanded the throttle plate to a specific angle, but the throttle...

Chevy Code P0449: Meaning, Causes & How to Fix It Code P0449 points to a fault in the Evaporative Emission (EVAP) system's vent valve or solenoid circuit — the component...

How to Fix Chevy Bluetooth Connection Problems Bluetooth issues in a Chevy generally fall into three categories: the phone won't pair at all, it pairs but keeps disconnecting, or it...

How to Reset Your Chevy WiFi Hotspot Password If you've forgotten your built-in hotspot's WiFi password, or just want to change it to something easier to remember, the good news...

How to Fix Chevy WiFi Hotspot Problems Many newer Chevy models include a built-in 4G/5G WiFi hotspot, and when it stops connecting devices or won't turn on at all, the...

Chevy Code U1962: Meaning, Causes & How to Fix It Code U1962 relates to Serial Data Authentication Configuration (SDAC) on GM's newer Vehicle Intelligence Platform, used on 2020-and-later Silverado, Sierra,...

Chevy Code U0140: Meaning, Causes & How to Fix It Code U0140 means the Powertrain Control Module (or another networked module) has stopped receiving valid data from the Body Control...

Chevy Code U062F: Meaning, Causes & How to Fix It Code U062F is a network communication fault indicating that an expected message from a specific module wasn't received over the...