Error code

OBD2 P0336

OBD2P0336
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Crankshaft Position Sensor 'A' Circuit Range/Performance.

Severity

severeThe vehicle may be difficult to start and run poorly if it starts at all.

Summary

P0336 indicates a problem with the crankshaft position sensor 'A' circuit range or performance in your vehicle's engine control system.

Symptoms

  • Engine no start condition
  • Hesitation upon acceleration
  • General lack of engine performance
  • Diminished fuel efficiency

Common Causes

  • Open or shorted wiring to the crankshaft position sensor (CPS) A
  • Defective CPS or camshaft sensor
  • Corroded or fluid-soaked connector/CPS
  • Faulty powertrain control module (PCM)

Diagnosis

  1. Inspect wiring harnesses and connectors for corrosion or fluid damage.
  2. Use a diagnostic scanner to retrieve stored trouble codes and freeze frame data.
  3. Test voltage and ground signals at the CPS A sensor.
  4. Check resistance values of the CPS A sensor using a digital volt/ohmmeter (DVOM).
  5. Perform waveform pattern analysis with an oscilloscope.

Fixes

  • Replace faulty wiring or connectors, CPS A sensor, and/or PCM as needed.

FAQ

What should I do if my car won't start with P0336?

Check for open or shorted circuits in the crankshaft position sensor wiring. If issues are found, repair them or replace the CPS A sensor.

View source

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.

More OBD2 codes

All OBD2 codes →Search more codes →