Engine-CodesGeneric – P2653

P2653 Code - 'B' Rocker Arm Actuator Control Circuit Low Bank 1

Quick Answer

The diagnostic trouble code P2653 refers to a problem with the 'B' rocker arm actuator control circuit in bank 1 of the engine. Common causes include Faulty rocker arm actuator, Damaged wiring or connectors in the control circuit, Malfunctioning engine control module (ECM). 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
P2653 indicates 'B' Rocker Arm Actuator Control Circuit Low Bank 1.
Common causes
Common causes include Faulty rocker arm actuator, Damaged wiring or connectors in the control circuit, Malfunctioning engine control module (ECM).
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.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P2653 Description

The diagnostic trouble code P2653 refers to a problem with the 'B' rocker arm actuator control circuit in bank 1 of the engine. This code indicates that there is a low voltage condition detected in the circuit that controls the operation of the rocker arm actuator. The rocker arm actuator is responsible for adjusting the intake and exhaust valve timing in the engine, which is crucial for optimal performance and fuel efficiency.

OBDII Code P2653 - 'B' Rocker Arm Actuator Control Circuit Low Bank 1
P2653 Code - 'B' Rocker Arm Actuator Control Circuit Low Bank 1

Common Causes of P2653

  1. Faulty rocker arm actuator
  2. Damaged wiring or connectors in the control circuit
  3. Malfunctioning engine control module (ECM)
  4. Low engine oil level or poor oil quality
  5. Electrical issues such as a blown fuse or relay

Symptoms of P2653

  1. Reduced engine power
  2. Rough idling
  3. Hesitation during acceleration
  4. Decreased fuel efficiency

How to Fix P2653

  1. Begin by conducting a visual inspection of the wiring and connectors in the rocker arm actuator control circuit to check for any visible damage or corrosion.
  2. Test the rocker arm actuator using a multimeter to determine if it is functioning within the specified parameters.
  3. Check the engine oil level and quality, ensuring it meets the manufacturer's recommendations.
  4. Scan the ECM for any stored fault codes and address any additional issues that may be present.
  5. If necessary, replace the faulty rocker arm actuator or repair any damaged wiring or connectors in the control circuit.

Cost to Fix P2653

The typical repair costs for addressing the P2653 code can vary depending on the specific cause of the issue. In general, the cost of parts such as a new rocker arm actuator or wiring components can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour. Additional diagnostic time may be required to pinpoint the exact cause of the problem. It's advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

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Code P2653 Information for Specific Makes

  • P2653 Acura — Rocker Arm Oil Control Solenoid 'B' Circuit Low Voltage Bank 1
  • P2653 Dodge — 'B' Rocker Arm Actuator Control Circuit Low Bank 1
  • P2653 Honda — Rocker Arm Oil Control Solenoid 'B' Circuit Low Voltage Bank 1
About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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