Rick's Free Auto Repair Advice

Posts Tagged: Silverado

No Heat or AC — GM Trucks

No Heat or AC — GM Trucks Owners of some GM Truck and some SUV owners may experience a problem where they have no heat or AC or cannot control the heating, ventilation and A/C system. They may also find that the system always defaults to the DEFROST mode. The following trouble codes may be stored in memory: B0229-Recirculation Actuator, B0414- Left Air Temperature Actuator, B0424 Right Air Temperature Actuator, or B3770 Mode Actuator Cause GM reports that the problem may be found in the HVAC actuator harness contacting a … Read More

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