SpareRadar OBD-II Code Lookup

P1021

Set by the manufacturer, so it means different things on different makes. 8 makes in the table below.

More codes than this one? Paste your whole scan
What P1021 means, by make 8 makes
  • Audi Bank1, camshaft retard target not reached 4415 17429
  • Chrysler Engine Failed To Start Due To Mechanical,Fuel or Ignition Conditions
  • Dodge Engine Failed To Start Due To Mechanical,Fuel or Ignition Conditions
  • Honda Valve Pause System Stuck On
  • Jeep Engine Failed To Start Due To Mechanical,Fuel or Ignition Conditions
  • Saab Injector Cyl. No 2 Shorting To Ground
  • Toyota OCV for VVTL Open Malfunction -Bank 2
  • Volkswagen Bank1, camshaft retard target not reached 4415 17429

Each line is that manufacturer's own meaning for P1021. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1021
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
0
2
1
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.