P2AA6
EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 2
P2AA6 is an OBD-II diagnostic trouble code meaning: EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 2. Common causes: short circuit in egr cooler bypass control circuit, bypass solenoid valve malfunction. Estimated repair cost: $17–67.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Unstable engine operation at idle
- Increased emissions of harmful substances
Causes
- Short circuit in EGR cooler bypass control circuit
- Bypass solenoid valve malfunction
- Wiring harness damage
- Problems with the engine control unit
- Mechanical sticking of the bypass valve
How to Fix
- Check the integrity of the wiring harness and connectors
- Measure the resistance of the bypass solenoid valve
- Check the operation of the bypass valve on the bench
- Scan the control unit for related errors
- Replace solenoid valve or wiring harness if necessary
Related codes
Error P2AA6 by Vehicle Brand
FAQ
What does the P2AA6 code mean?
P2AA6 is an OBD-II diagnostic trouble code that indicates: EGR Cooler Bypass Control Circuit Driver Current/Temperature Too High Bank 2
What causes a P2AA6 error code?
The most common causes of P2AA6 include: Short circuit in EGR cooler bypass control circuit; Bypass solenoid valve malfunction; Wiring harness damage; Problems with the engine control unit.
How do I fix a P2AA6 diagnostic trouble code?
To fix P2AA6: Check the integrity of the wiring harness and connectors. Measure the resistance of the bypass solenoid valve. Check the operation of the bypass valve on the bench. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2AA6?
Yes, but get it checked soon
How much does it cost to fix P2AA6?
The estimated repair cost for P2AA6 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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