P245C

EGR Cooler Bypass Control Circuit Low Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine operation at idle
Increased emissions of harmful substances

Causes

Open or short circuit in the bypass valve control circuit
EGR cooler bypass valve malfunction
Poor connection or corrosion in connectors
Faulty relay or fuse
Problems with the engine control module (rare)

How to Fix

Check the integrity of the bypass valve control circuit
Check the condition of connectors and contacts
Check the functionality of the bypass valve
Check relays and fuses associated with the EGR system
Replace EGR cooler bypass valve if necessary

Related codes

P245B P245D P0401