P2650 OBD-II Trouble Code: “B” Rocker Arm Actuator Control Circuit Open Bank 1

Our certified mechanics come to you · Get a fair and transparent estimate upfront

Red-stars EXCELLENT RATING ON

Cost of diagnosing the P2650 code

P2650 is a diagnostic trouble code (DTC) for "“B” Rocker Arm Actuator Control Circuit Open Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.

Cars Estimate Credit towards follow-up repair Earliest Availability
Ford$20.00
Toyota$20.00
BMW$20.00
SCHEDULE P2650 DIAGNOSTIC Get a fair and transparent estimate upfront

P2650 trouble code definition

“B” Rocker Arm Actuator Control Circuit Open Bank 1

What the P2650 code means

P2650 is an OBD-II generic code for the engine control module (ECM) detecting the B rocker arm actuator control circuit for bank 1 has an open circuit. This could be anywhere in the actuator circuit.

What causes the P2650 code?

  • The ECM detects an open circuit signal from the B rocker arm actuator and sets the code in memory. The Check Engine Light will then be turned on.

  • The connection to the actuator or the actuator has an open circuit.

What are the symptoms of the P2650 code?

  • The car may run erratic or power will be affected.

  • The Check Engine Light will be illuminated.

How does a mechanic diagnose the P2650 code?

  • Scans codes and documents the code in the ECM to view the freeze frame data for the code

  • Checks the wiring and connector to the actuator to make sure it is okay

  • Performs the manufacture pinpoint test on the B rocker arm actuator to verify if the failed actuator or wiring is open

Common mistakes when diagnosing the P2650 code

  • Replacing the actuator without verifying the open circuit
  • Failing to clear the ECM codes after the system is repaired
  • Replacing parts when the connector is not making contact or broke

How serious is the P2650 code?

  • Code P2650 is a code for the B rocker arm control circuit and will cause the engine to run erratic.

What repairs can fix the P2650 code?

  • Replacing the B rocker arm actuator
  • Repairing the wiring harness or connector to the actuator

Additional comments for consideration regarding the P2650 code

Code P2650 is not a very common code since most vehicles do not have actuators for the rocker arms of the engines they manufacture.

Need help with a P2650 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

P2650
trouble codes
Check Engine Light

No more waiting rooms! Our mechanics will come to you to diagnose and fix the P2650 code.

SCHEDULE P2650 DIAGNOSTIC
Get a $20 credit for the follow-up repair

Recent Check Engine Light is on Inspection reviews

Excellent Rating


YourMechanic Check Engine Light is on Inspection Service

Average Rating

4.8/5

Number of Reviews

5,626

Rating Summary
5,199
206
50
34
137
5,199
206
50
34
137

Robert

11 years of experience
104 reviews
Robert
11 years of experience
Nissan Quest - Check Engine Light is on - Alexandria, Virginia
Punctual. Knowledgeable. Professional. Empathic, went the extra mile to explain in lay words the mechanical jargon. Excellent manners and customer service oriented. Client’s best interest and safety was always his top priority. From now on your company has in me a client for life. Thanks Robert!!!! 

Chris

21 years of experience
1861 reviews
Chris
21 years of experience
Mercedes-Benz E320 - Check Engine Light is on - Ladera Ranch, California
Chris was friendly, professional and knowledgeable. He got to the point of my concerns, explained what he was finding on his system and gave me his recommendations. I fully appreciate him taking the time to explain everything and a bit of history on my vehicle. Thanks again Chris.

Michael

15 years of experience
574 reviews
Michael
15 years of experience
Hyundai Accent - Check Engine Light is on - Marietta, Georgia
I had a great experience with Michael. He's extremely professional, friendly, and understands his craft. Highly recommended.

Chris

15 years of experience
274 reviews
Chris
15 years of experience
Dodge Durango - Check Engine Light is on - San Diego, California
Showed up early, was a friendly dude, kept me informed via text, did clean work and finished early. Would hire again.


More related articles

P0178 OBD-II Trouble Code: Fuel Composition Sensor Circuit Low Input
P0178 P0178 code definition Fuel Composition Sensor Circuit Low Input What the P0178 code means P0178 is a generic OBD-II code indicating that the diesel fuel sensor is giving a low input, which could be from an open circuit in...
P0167 OBD-II trouble CodeO2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 3)
P0167 P0167 code definition O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 3) What P0167 code means Many oxygen sensors are heated now in order to bring them to operating temperature more quickly. If any of the wiring in...
P2440 OBD-II Trouble Code: Secondary Air Injection System Switching Valve Stuck Open Bank 1
P2440 code definition The P2440 diagnostic trouble code is an indication that the Powertrain Control Module (PCM) has detected that the switching...

Related questions

when driving speed slow down and resume to speed it begins to jerk i have to put in over drive to resume speed especially on hiway

You should have the vehicle scanned. The data from the speed sensor needs to be checked to see if the transmission or engine is the cause of the jerking. You may have a transmission solenoid that's not shifting correctly, an...

AT light and Check engine light on stuck in third gear.

A logical place to start is with a Check Engine Light inspection to see what codes might be set. Usually with something of this nature, codes will be present, and there will be a flow chart that should be used...

Code P0340

The P0340 problem code references a camshaft position sensor malfunction. The ability to restart the engine suggests it is failing versus has failed. There was an issue with this engine with the cam chain tensioner - which also affects cam...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com