SpareRadar OBD-II Code Lookup

P1721

Set by the manufacturer, so it means different things on different makes. 13 makes in the table below.

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What P1721 means, by make 13 makes
  • Audi Wheel Speed Signal 3 rear-left(G46), Implausible Signal
  • Chevrolet Solenoid B Controlled Clutch Not Engaged
  • Chrysler Line Pressure Sensor Circuit (old)
  • Citroen Gear 1 Incorrect Ratio
  • Dodge Line Pressure Sensor Circuit (old)
  • Ford Gear 1 Incorrect Ratio
  • Jeep Line Pressure Sensor Circuit (old)
  • Lincoln Gear 1 Incorrect Ratio
  • Mercedes-Benz Gear 1 Incorrect Ratio
  • Mercury Gear 1 Incorrect Ratio
  • Peugeot Gear 1 Incorrect Ratio
  • Volkswagen Wheel Speed Signal 3 rear-left(G46), Implausible Signal
  • Volvo Wheel Speed Signal 3 Range/Performance

Each line is that manufacturer's own meaning for P1721. 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 P1721
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
7
2
1
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range
P171A manufacturer-specific, 1 make P171D manufacturer-specific, 1 make P171F manufacturer-specific, 3 makes P1720 manufacturer-specific, 15 makes P1722 manufacturer-specific, 16 makes P1723 manufacturer-specific, 13 makes P1724 manufacturer-specific, 13 makes P1726 manufacturer-specific, 13 makes

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.