Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a part of the engine that helps control how the engine's valves open and close. It's like a switch that isn't working right, on the side of the engine that is called 'Bank 2'.
The P2664 code indicates that the powertrain control module (PCM) has detected a high voltage condition in the rocker arm actuator control circuit for Bank 2.
The rocker arm actuator is an essential component in variable valve timing systems. It adjusts the position of the rocker arms, which in turn changes the timing of the engine's valves. When the PCM detects a voltage level that is higher than expected in the control circuit for the actuator on Bank 2, it triggers the P2664 code.
• Check Engine Light is on
• Decreased engine performance
• Rough idling
• Faulty rocker arm actuator
• Wiring issues in the actuator circuit
• Faulty PCM
PCM: Powertrain Control Module
Rocker Arm: A component in an engine that helps control the opening and closing of the engine's valves.
• Use an OBD-II scanner to confirm the code.
• Inspect wiring and connectors for damage or corrosion.
• Test the rocker arm actuator for proper operation.
• Repair or replace damaged wiring or connectors.
• Replace the faulty rocker arm actuator.
• Reprogram or replace the PCM if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$150 - $500
Moderate
• Honda Accord
• Acura TL
• Toyota Camry
• Regularly maintain the engine and its components.
• Check electrical connections for corrosion.
• Use high-quality engine oil.
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional if unsure.
• Regular maintenance can prevent such issues.
Check with your vehicle manufacturer for specific warranty coverage related to engine components.
The P2664 code has been associated with variable valve timing issues in vehicles with advanced engine management systems.
Moderate – While the vehicle may still run, ignoring this issue can lead to more significant engine problems.
Driving with a Check Engine Light can lead to increased emissions and may violate local emissions laws.
• Engine at operating temperature
• Vehicle in a safe, stationary position
The rocker arm actuator is located on the cylinder head of the engine, specifically on the side designated as Bank 2.
Q: Can I drive with a P2664 code?
A: While you may be able to drive, it's not recommended as it can lead to further engine damage.
Q: How do I know which side is Bank 2?
A: Bank 2 is typically the side of the engine opposite Bank 1, which is where cylinder 1 is located.
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