U3029

Control Module A Disable Feedback Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Unstable engine operation
Problems starting the engine
Reduced engine power
Errors in other systems

Causes

Open or short circuit in the circuit
Control module malfunction
Grounding problems
Contact corrosion
Faulty relay or fuse

How to Fix

Check the integrity of the feedback circuit
Check module grounding
Inspect contacts for corrosion
Check relays and fuses
Replace the control module if necessary

Related codes

U3000 U3028 U3030