Subaru Legacy BN/BS (2015-2019) Service Manual: Diagnostic procedure with diagnostic trouble code (dtc)
Subaru Legacy BN/BS (2015-2019) Service Manual / Tire pressure monitoring system (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc)
- Dtc c2521 speed abnormal
- Dtc c2021 tire 1 air pressure low (normal mode)
- Dtc c2424 transmitter 4 battery voltage low
- Dtc c2423 transmitter 3 battery voltage low
- Dtc c2422 transmitter 2 battery voltage low
- Dtc c2421 transmitter 1 battery voltage low
- Dtc c2324 transmitter 4 function code abnormal
- Dtc c2323 transmitter 3 function code abnormal
- Dtc c2322 transmitter 2 function code abnormal
- Dtc c2321 transmitter 1 function code abnormal
- Dtc c2224 transmitter 4 pressure data abnormal
- Dtc c2223 transmitter 3 pressure data abnormal
- Dtc c2222 transmitter 2 pressure data abnormal
- Dtc c2221 transmitter 1 pressure data abnormal
- Dtc c2124 transmitter 4 no data
- Dtc c2123 transmitter 3 no data
- Dtc c2122 transmitter 2 no data
- Dtc c2121 transmitter 1 no data
- Dtc c2024 tire 4 air pressure low (normal mode)
- Dtc c2023 tire 3 air pressure low (normal mode)
- Dtc c2022 tire 2 air pressure low (normal mode)
Electrical specification
Terminal No.ContentMeasured value and measuring conditionsRemarks1 — — — 2 — — — 3 — — — 4Ignition power supply10 — 13 V (when the ignition switch is ON) — 5GND0 V (always) ...
Dtc c2521 speed abnormal
DTC DETECTING CONDITION:Detected when transmitter normal signal is received at a vehicle speed of less than 6 km/h (4 MPH).TROUBLE SYMPTOM:Tire pressure warning light blinks 25 times and then illumina ...
Other materials:
Precautions when working with the parts mounted on the vehicle
1. Always refer to “CAUTION” and “NOTE” of “General Description” in the same model’s service manual before starting the service.2. When working under a vehicle which is jacked-up, always be sure to use rigid rack.3. The parking brake must always be applied d ...
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