The P2029 trouble code indicates that the fuel-fired heater has been disabled due to a detected fault.
P2029 Fuel Fired Heater Disabled
Code symptoms P2029.
1. Malfunction indicator lamp (MIL) or Check Engine Light (CEL) illuminated.
2. Heater system not functioning.
3. Inability to start the heater.
4. Reduced heating performance in the vehicle cabin.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2029.
1. Faulty fuel-fired heater control module.
2. Electrical issues in the fuel-fired heater system.
3. Blown fuse related to the fuel-fired heater system.
4. Fuel-fired heater malfunction.
Code Solutions P2029.
1. Check for any blown fuses related to the fuel-fired heater system. Replace as necessary.
2. Inspect the electrical connections and wiring harness of the fuel-fired heater system for any damage, corrosion, or loose connections. Repair or replace as needed.
3. Test the fuel-fired heater control module for proper functionality. Replace if necessary.
4. If the fuel-fired heater itself is malfunctioning, troubleshoot and repair or replace the heater unit as needed.