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P0A21
Motor Torque Sensor Circuit Intermittent
Generic · engine
Data confidence
78%
The control module detected an unstable or intermittent signal in the Motor Torque circuit.
TuningBot DTC Database · v4.37.14
P0A21 Motor Torque Sensor Circuit Intermittent
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P0A21 means
Related and nearby codes
How to read P0A21
P
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
A21
Specific fault index within the subsystem.
Frequently asked questions about P0A21
What does P0A21 mean?
Motor Torque Sensor Circuit Intermittent. The control module detected an unstable or intermittent signal in the Motor Torque circuit.
Is P0A21 generic or manufacturer-specific?
P0A21 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0A21 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic