OBD-II Code Decoder

Search the licensed P, B, C, and U reference library by code, definition, system, or manufacturer. Reference-only results are not a complete diagnosis.

  • 12,128 OBD-II codes
  • 18,805 reference definitions
  • 16,185 publicly searchable across 10,181 codes

Review-withheld definitions are excluded; lookup records are not published diagnostic pages.

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P1101 — vehicles with official records naming this code

P1101 is named in NHTSA-published manufacturer communications or investigations for 22 vehicle families, including:

A code named in a manufacturer communication means the document refers to it for those vehicles. It is not a diagnosis of any car, and it does not mean the code is common on that vehicle.

Matching definitions: 8 · Unique codes: 1.

Code Meaning System Scope Manufacturer Severity
P1101 Mass Air Flow Sensor Out of Self-Test Range Powertrain Manufacturer-specific Ford Not classified
P1101 MAF Sensor Out Of Self Test Range./KOER Not Able To Complete KOER Aborted Powertrain Generic Not manufacturer-specific Not classified
P1101 Mass Air Flow Sensor Out of Self-Test Range Powertrain Manufacturer-specific Lincoln Not classified
P1101 Mass Air Flow Sensor Circuit Out Of Self-Test Range Powertrain Manufacturer-specific Mazda Not classified
P1101 Mass Air Flow Sensor Out of Self-Test Range Powertrain Manufacturer-specific Mercury Not classified
P1101 Traction Control Vacuum Solenoid Circuit Fault Powertrain Manufacturer-specific Mitsubishi Not classified
P1101 Neutral Position Switch Circuit Malfunction M/T Powertrain Manufacturer-specific Subaru Not classified
P1101 Oxygen Sensor Circuit Bank 1 Sensor 1 Voltage Too Low/Air Leak Powertrain Manufacturer-specific Volkswagen Not classified