OBD Guide

P2650

B Rocker Arm Actuator Control Circuit/Open Bank 1

P2650 is an OBD-II diagnostic trouble code meaning: B Rocker Arm Actuator Control Circuit/Open Bank 1. Common causes: open or short circuit in control circuit, poor contact in connectors. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable idling
  • Dips during acceleration

Causes

  • Open or short circuit in control circuit
  • Poor contact in connectors
  • VVT solenoid valve malfunction
  • Relay or fuse problems
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the resistance of the solenoid valve
  3. Check voltage at valve connector
  4. If necessary, replace the solenoid valve
  5. Reset the error and check the system operation

Related codes

Error P2650 by Vehicle Brand

FAQ

What does the P2650 code mean?

P2650 is an OBD-II diagnostic trouble code that indicates: B Rocker Arm Actuator Control Circuit/Open Bank 1

What causes a P2650 error code?

The most common causes of P2650 include: Open or short circuit in control circuit; Poor contact in connectors; VVT solenoid valve malfunction; Relay or fuse problems.

How do I fix a P2650 diagnostic trouble code?

To fix P2650: Check the integrity of wiring and connectors. Check the resistance of the solenoid valve. Check voltage at valve connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2650?

Yes, but get it checked soon

How much does it cost to fix P2650?

The estimated repair cost for P2650 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat