Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the part of the car that helps cool down the engine gases is getting too hot on one side of the engine.
The EGR (Exhaust Gas Recirculation) cooler bypass control circuit is responsible for managing the temperature of exhaust gases. If the current or temperature is too high, it indicates a problem in the system.
The P2AA6 code is triggered when the Engine Control Module (ECM) detects that the current or temperature in the EGR cooler bypass control circuit is higher than expected for Bank 2. This could be due to an electrical issue or a problem with the bypass valve itself.
• Check Engine Light is on
• Reduced engine performance
• Increased emissions
• Faulty EGR cooler bypass valve
• Wiring issues in the control circuit
• Malfunctioning ECM
EGR: Exhaust Gas Recirculation
ECM: Engine Control Module
• Scan for codes and freeze frame data
• Inspect the wiring and connectors for damage
• Test the EGR cooler bypass valve for proper operation
• Replace the EGR cooler bypass valve
• Repair or replace damaged wiring
• Reprogram or replace the ECM if necessary
• OBD-II scanner
• Multimeter
• Wrench set
$200 - $600
Moderate
• Toyota Camry
• Honda Accord
• Ford F-150
• Regular maintenance checks
• Ensure proper coolant levels
• Inspect wiring regularly
Sensor Issue
• Avoid driving the vehicle until repaired
• Consult a professional mechanic
• Do not ignore the Check Engine Light
Repairs may be covered under the vehicle's emissions warranty.
This code has been associated with issues in vehicles with advanced EGR systems to manage emissions.
Moderate – Should be addressed soon to avoid further engine issues.
Driving with this code may result in failing emissions tests and increased pollution.
• Engine at operating temperature
• Vehicle in closed loop mode
The EGR cooler bypass valve is typically located near the exhaust manifold on Bank 2 of the engine.
Q: Can I drive my car with a P2AA6 code?
A: It's not recommended as it may lead to increased emissions and engine performance issues.
Q: What is Bank 2?
A: Bank 2 refers to the side of the engine opposite to Bank 1, which contains cylinder 1.
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