P055B

ISO/SAE Reserved

DTC P055B, sometimes indicated as P055B00 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the engine idling stability causing iso/sae reserved.

  • P055B: ISO/SAE Reserved
  • P055B: Engine oil pressure sensor/switch B – circuit range/performance
  • P055B 00: Engine oil pressure sensor/switch B - circuit range/performance

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • PIE-0292 - ENGINE (PWS)
    CHEVROLET: Gm: malfunction indicator lamp indicated dtc P055B and P055C. Obtain oil pressure reading cam cover sensor with mdi tool. Collect information prior to making any repair attempts. *js
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