Radio Displays CAL or CAL ERR. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Driver Information and Entertainment 🢒 Cellular, Entertainment, and Navigation 🢒 Radio Displays CAL or CAL ERR

•	Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

•	Review Strategy Based Diagnosis for an overview of the diagnostic approach.

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

•	Circuit Testing

•	Connector Repairs

•	Testing for Intermittent Conditions and Poor Connections

•	Wiring Repairs

Control Module References for scan tool information

Verify the CAL or CAL ERROR is not displayed on radio.

⇒	If the radio displays CAL or CAL ERROR, reprogram the radio. If the radio still displays CAL or CAL ERR after performing the reprogramming procedure, replace the radio.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for Radio replacement, setup, and programming