Technical Definition:

Crankshaft Position (CKP) Camshaft Position (CMP) Correlation (Bank 1 – Sensor A)

Technical Description:

Possible Causes:

• Timing chain stretched, or timing belt skipped a tooth due to wear
• Misalignment of timing belt/chain
• Tone ring on crankshaft slipped/broken
• Tone ring on camshaft slipped/broken
• Bad crank sensor
• Bad cam sensor
• Damaged wiring to crank/cam sensor
• Timing belt/chain tensioner damaged

Possible Symptoms:

• Malfunction Indicator Lamp (MIL) illumination
• The engine may run but with reduced performance
• The engine may crank but not start
• The engine may exhibit a rattle near the harmonic balancer indicating the tone ring is damaged
• The engine may start and run, but poorly

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

Specific Makes: