P045D

EGR B Control Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Unstable engine idling
Reduced engine power
Check Engine Light

Causes

Short circuit in EGR B control circuit
Faulty EGR solenoid B
Damaged wiring harness
Problems with connectors
Engine control unit (ECU) malfunction

How to Fix

Check wiring harness for damage
Check connectors for corrosion and connection reliability
Check resistance of EGR solenoid B
Replace EGR solenoid B if faulty
Check and replace wiring harness if necessary
Reset the error code and check for its reappearance

Related codes

P0401 P0402 P0403