P2029

Fuel Fired Heater Disabled

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Difficulty starting the engine in cold weather
Check Engine Light Is On
Reduced engine performance in cold conditions
Possible misfire during cold start

Causes

Fuel heater malfunction
Problems with wiring or connectors
Faulty relay or fuse
Error in ECU software
Damage to the heater control module

How to Fix

Check fuses and relays of the heater system
Inspect wiring and connectors for damage
Check the functionality of the fuel heater
Scan the ECU for additional errors
If necessary, replace faulty components

Related codes

P2028 P2030 P2031