3F21 — Pedal Position Sensor 2 - Short Circuit to B
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: BMW
| Meaning | Pedal Position Sensor 2 - Short Circuit to B. |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 3F21 mean?
Pedal Position Sensor 2 - Short Circuit to B. Pedal Position Sensor 2 - Short Circuit to B.
Can I keep driving with code 3F21 active?
With caution: limp mode possible, have it checked soon
How do you fix code 3F21?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
Need help with this fault?
We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.
Contact us
Where to get it fixed
Related codes
- 3F00 — Boost Pressure Sensor -Short circuit to B+
- 3F00 — Boost Pressure Sensor Short circuit to B+
- 3F01 — Boost Pressure Sensor -Short circuit to B- or Open
- 3F01 — Boost Pressure Sensor Short circuit to B or Open
- 3F02 — Boost Pressure Sensor
- 3F02 — Boost Pressure Sensor
- 3F03 — Boost Pressure Sensor -Plausibility
- 3F03 — Boost Pressure Sensor Plausibility
- 3F05 — MIL OFF
- 3F05 — MIL OFF
- 3F0A — Serial data bus CAN CAN bus off
- 3F0B — Serial data bus CAN Fault in CAN communication