Engine Position System Performance - Bank 1

What this code means

The computer sees a mismatch between crankshaft and camshaft positions on bank 1, indicating timing is off. This often points to a stretched timing chain or jumped timing.

Symptoms

• Rough running
• Loss of power
• Check engine light on

Common causes

• Stretched or worn timing chain
• Failed chain tensioner
• Jumped timing
• Worn cam phaser

Diagnostic steps

1. Scan for correlation codes
2. Inspect timing chain and tensioner
3. Compare cam and crank timing marks
4. Check phaser and oil pressure

Other Powertrain codes on this vehicle