Supplement to 02-08-44-020 - Radio Volume Inoperative after Programming - inoperative no sound speaker

When servicing the vehicle with the VIN you entered, the following diagnosis might be helpful if the vehicle exhibits the described symptoms.

After reprogramming the radio, per bulletin 02-08-44-020, the radio volume may still be inoperative.

If the radio volume is inoperative after programming, the ignition key must be shut off for 1 minute before the radio volume will start to work.

Please follow this diagnosis process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed. If these steps do not resolve the condition, please contact GM TAC for further diagnostic assistance. This diagnostic approach was developed for the vehicle with the VIN you entered and should not be automatically be used for other vehicles with similar symptoms.

(03 Chevrolet Silverado K1 K2 K3 C1 C2 C3) and (03 Chevrolet Tahoe/Suburban K1 K2 C1 C2) and (03 GMC Sierra K1 K2 K3 C1 C2 C3) and (03 GMC Yukon/Yukon XL K1 K2 C1 C2)