P265E – Rocker Actuator Position Sensor Circuit ‘B’, Intermittent / Erratic, Bank 1

P265E Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator sensor “B”
  • Rocker arm actuator sensor “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator sensor ‘B’ circuit

How to Fix Code P265E

Check the “possible causes” listed above. Visually inspect the related wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P265E Meaning

The Engine Control Module (ECM) controls the rocker arm actuator to manage the hydraulic oil circuit. Oil flows through the rocker arm actuator to the variable valve timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to enhance engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator position sensor “B” and sets the OBDII code when the rocker arm actuator position sensor “B” signal falls outside factory specifications.

P2660 – Actuator Control Circuit ‘B’ / Open Bank 2

P2660 Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator “B”
  • Rocker arm actuator “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator “B” circuit

How to Fix Code P2660

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2660 Meaning

The Engine Control Module (ECM) commands the rocker arm actuator to control the hydraulic oil circuit. Oil flows through the rocker arm actuator to the variable valve timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to improve engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator circuit and sets the OBDII code when the rocker arm actuator “B” circuit is outside factory specifications.

P2661 – Performance of Rocker Actuator System “B” / Row 2 Locking

P2661 Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator “B”
  • Rocker arm actuator “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator “B” circuit

How to Fix Code P2661

Check the “Possible Causes” listed above. Visually inspect related wiring harnesses and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2661 Meaning

The Engine Control Module (ECM) commands the rocker arm actuator to control the hydraulic oil circuit. Oil flows through the rocker arm actuator to the Variable Valve Timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to improve engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator circuit and sets the OBDII code when the rocker arm actuator “B” circuit is outside factory specifications.

P2662 – “B” Rocker Actuator System Stuck on Row 2

P2662 Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator “B”
  • Rocker arm actuator “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator “B” circuit

How to Fix Code P2662

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2662 Meaning

The Engine Control Module (ECM) commands the rocker arm actuator to control the hydraulic oil circuit. Oil flows through the rocker arm actuator to the variable valve timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to improve engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator circuit and sets the OBDII code when the rocker arm actuator “B” circuit is outside factory specifications.

P2663 – Rocker Actuator Control Circuit “B”, Row 2

P2663 Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator “B”
  • Rocker arm actuator “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator “B” circuit

How to Fix Code P2663

Check the “Possible Causes” listed above. Visually inspect related wiring harnesses and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2663 Meaning

The Engine Control Module (ECM) commands the rocker arm actuator to control the hydraulic oil circuit. Oil flows through the rocker arm actuator to the variable valve timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to improve engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator circuit and sets the OBDII code when the rocker arm actuator “B” circuit is outside factory specifications.

P2664 – Actuator Rocker ‘B’ Control Circuit High, Row 2

P2664 Possible Causes

  • Low or overfilled engine oil
  • Incorrect engine oil type
  • Faulty rocker arm actuator “B”
  • Rocker arm actuator “B” circuit open or shorted
  • Poor electrical connection in rocker arm actuator “B” circuit

How to Fix Code P2664

Check the “Possible Causes” listed above. Visually inspect related wiring harnesses and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2664 Meaning

The Engine Control Module (ECM) commands the rocker arm actuator to control the hydraulic oil circuit. Oil flows through the rocker arm actuator to the variable valve timing system to adjust engine valve timing. The Variable Valve Timing (VVT) system is used to improve engine performance, fuel economy, or emissions. The ECM monitors the rocker arm actuator circuit and sets the OBDII code when the rocker arm actuator “B” circuit is outside factory specifications.

P2665 – Fuel Shutoff Valve “B” Control Circuit / Open

P2665 Possible Causes

  • Defective fuel shutoff valve “B”
  • Fuel shutoff valve “B” circuit is open or shorted
  • Poor electrical connection in the fuel shutoff valve “B” circuit

How to Fix Code P2665

Check the “possible causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2665 Meaning

The engine control module (ECM) monitors the fuel shutoff valve “B” control circuit. The ECM sets the OBDII code when the fuel shutoff valve “B” control circuit is outside factory specifications.

P2666 – Fuel Shutoff Valve “B” Control Circuit Low

P2666 Possible Causes

  • Faulty fuel shutoff valve “B”
  • Fuel shutoff valve “B” circuit is open or shorted
  • Poor electrical connection in the fuel shutoff valve “B” circuit

How to Fix Code P2666

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2666 Meaning

The Engine Control Module (ECM) monitors the fuel shutoff valve “B” control circuit. The ECM sets the OBDII code when the fuel shutoff valve “B” control circuit is outside factory specifications.

P2667 – High Fuel Shutoff Valve “B” Control Circuit

P2667 Possible Causes

  • Faulty fuel shutoff valve “B”
  • Fuel shutoff valve “B” circuit is open or shorted
  • Poor electrical connection in the fuel shutoff valve “B” circuit

How to Fix Code P2667

Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Engine light on (or service engine soon warning light)

P2667 Meaning

The Engine Control Module (ECM) monitors the fuel shutoff valve “B” control circuit. The ECM sets the OBDII code when the fuel shutoff valve “B” control circuit is outside factory specifications.

P2668 – Fuel Mode Indicator Lamp Control Circuit

P2668 Possible Causes

  • Faulty fuel mode indicator
  • Fuel mode indicator lamp circuit open or shorted
  • Fuel mode indicator lamp circuit Poor electrical connection

How to Fix Code P2668

Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Illuminated engine light (or service engine soon warning light)

P2668 Meaning

The Engine Control Module (ECM) monitors the fuel mode indicator lamp control circuit. The ECM sets the OBDII code when the fuel mode indicator lamp control circuit is outside factory specifications.