OBD Guide

P245A

EGR Cooler Bypass Control Circuit/Open Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (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 EGR bypass control circuit
  • Bypass solenoid valve malfunction
  • Problems with the wiring harness or connectors
  • Malfunction of the engine control unit (rare)
  • Mechanical jamming of the bypass valve

How to Fix

  1. Check the integrity of the EGR bypass control circuit
  2. Test the resistance and operation of the solenoid valve
  3. Inspect connectors and wiring harness for damage
  4. Replace EGR cooler bypass valve if necessary
  5. Reset the error and check the system operation

Related codes

Error P245A by Vehicle Brand