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2017 CHEVROLET IMPALA

2.5L I4 EcotecAWDAUTOMATICgas
Repairs0Labor990Torque7715Fluid15DTC1938Battery2Maintenance0Recalls0
P0017critical severityPowertrain

Crankshaft Position/Camshaft Position Correlation Bank 1 Sensor B

on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD

What this code means

The crankshaft and Bank 1 exhaust camshaft position signals do not correlate properly.

Symptoms

  • Check Engine Light
  • Rough running
  • Engine noise
  • No start condition

Common causes

  • Timing chain issue
  • Exhaust VVT solenoid failure
  • Sensor failure
  • Worn timing components

Diagnostic steps

  1. Check timing chain alignment
  2. Test exhaust VVT solenoid
  3. Inspect sensors
  4. Check oil condition

Repair notes

Repair timing system or VVT components.

Other Powertrain codes on this vehicle

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