P264D Code - 'A' Rocker Arm Actuator Position Sensor Circuit High Bank 1
Quick Answer
The Engine Control Module (ECM) commands the Rocker Arm Actuator to control the oil hydraulic circuit. Common causes include Low or overfilled engine oil, Incorrect engine oil type, Faulty 'A' Rocker Arm Actuator Sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P264D indicates 'A' Rocker Arm Actuator Position Sensor Circuit High Bank 1.
- Common causes
- Common causes include Low or overfilled engine oil, Incorrect engine oil type, Faulty 'A' Rocker Arm Actuator Sensor.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P264D Description
What are the Possible Causes of the DTC P264D?
- Low or overfilled engine oil
- Incorrect engine oil type
- Faulty 'A' Rocker Arm Actuator Sensor
- 'A' Rocker Arm Actuator Sensor harness is open or shorted
- 'A' Rocker Arm Actuator Sensor circuit poor electrical connection
How to Fix the DTC P264D?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P264D code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P264D code?
Need more information on how to fix the P264D code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P264D code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P264D Code
1. What does the OBDII code P264D mean?
P264D indicates that the 'A' rocker arm actuator position sensor circuit on Bank 1 is reporting a high voltage condition, suggesting a potential issue with the sensor or its circuit.
2. What are the symptoms of the P264D code?
Common symptoms include an illuminated check engine light, rough idling, reduced engine performance, poor fuel economy, and possibly a limp mode condition.
3. What causes the P264D code to appear?
Potential causes include a faulty rocker arm actuator position sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning ECM, or low oil pressure related to VTEC systems.
4. How is the P264D code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect wiring and connectors for damage, check the rocker arm actuator sensor's functionality, and test oil pressure if related to the VTEC system.
5. Can a dirty or low oil level cause the P264D code?
Yes, low or dirty oil can affect the rocker arm actuator system's performance, particularly in engines with VTEC systems, potentially triggering this code.
6. Is it safe to drive with the P264D code?
Driving with the P264D code is not recommended, as it can lead to poor engine performance and possible damage to engine components if left unresolved.
7. How can I fix the P264D code?
Repairs may involve replacing the rocker arm actuator position sensor, repairing damaged wiring or connectors, addressing oil-related issues, or updating/reprogramming the ECM if necessary.
8. What tools are needed to troubleshoot the P264D code?
Tools include an OBDII scan tool, a multimeter for testing electrical connections, and possibly a mechanical oil pressure gauge.
9. Can a faulty ECM cause the P264D code?
Yes, although rare, a malfunctioning ECM can misinterpret signals from the rocker arm actuator position sensor and trigger this code.
10. How much does it cost to fix the P264D code?
Repair costs vary but typically range from $150 to $500, depending on whether the sensor, wiring, or other components need replacement or repair.
Discuss the causes and fixes for P264D OBDII Code
Code P264D comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
