P2091Fuel & Air Metering

B Camshaft Position Actuator Control Circuit High Bank 1

P2091 means the ECM detected a high voltage condition in the B camshaft (exhaust) position actuator control circuit on Bank 1. Causes include a short to voltage, an open circuit, or a failed oil control valve.

🚗 Yes, but exhaust cam timing may be affected; repair it soon.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Short to voltage in the actuator circuit$50-$250

35%

A wire shorted to power raises the control voltage high.

#2Open circuit in the control wiring$50-$250

25%

An open can produce a high reading.

#3Failed camshaft oil control valve (solenoid)$60-$300

30%

A failed solenoid can cause an abnormal high signal.

#4Corroded connector or poor contact$50-$200

10%

Corrosion skews the reading high.

🩺 Common Symptoms

Check engine light on
Possible rough idle or hesitation
Reduced power in some conditions
Slight drop in fuel economy

💰 Repair Cost: DIY vs Shop

DIY Cost

$50-$350

Shop Cost

$150-$600

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2091

1Scan for related VVT and camshaft codes

2Inspect wiring for shorts to voltage or opens

3Test the exhaust cam solenoid and connector

4Verify the control command with a scan tool

❓ Frequently Asked Questions

Can I drive with a P2091 code?

Short-term yes, but exhaust cam timing may be affected. Repair it soon.

How much does it cost to fix P2091?

Wiring fixes are often cheap, while a new oil control valve runs $150 to $600 at a shop.

What is the most common cause of P2091?

A short to voltage in the wiring or a failed exhaust cam oil control valve are the most common causes.

🔗 Related Codes

P2089P2090P2095P0013P0014