LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2016 >> Outback 2.5i >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Tire Pressure Monitoring System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Tire Pressure Monitoring System DTCS

TIRE PRESSURE MONITORING SYSTEM DTCS DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Item Description
C2021 TIRE 1 AIR PRESSURE LOW (NORMAL MODE) < Ref. to DTC C2021 TIRE 1 AIR PRESSURE LOW (NORMAL MODE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2022 TIRE 2 AIR PRESSURE LOW (NORMAL MODE) < Ref. to DTC C2022 TIRE 2 AIR PRESSURE LOW (NORMAL MODE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2023 TIRE 3 AIR PRESSURE LOW (NORMAL MODE) < Ref. to DTC C2023 TIRE 3 AIR PRESSURE LOW (NORMAL MODE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE) < Ref. to DTC C2024 TIRE 4 AIR PRESSURE LOW (NORMAL MODE) , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2121 TRANSMITTER 1 NO DATA < Ref. to DTC C2121 TRANSMITTER 1 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2122 TRANSMITTER 2 NO DATA < Ref. to DTC C2122 TRANSMITTER 2 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2123 TRANSMITTER 3 NO DATA < Ref. to DTC C2123 TRANSMITTER 3 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2124 TRANSMITTER 4 NO DATA < Ref. to DTC C2124 TRANSMITTER 4 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2221 TRANSMITTER 1 PRESSURE DATA ABNORMAL < Ref. to DTC C2221 TRANSMITTER 1 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2222 TRANSMITTER 2 PRESSURE DATA ABNORMAL < Ref. to DTC C2222 TRANSMITTER 2 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2223 TRANSMITTER 3 PRESSURE DATA ABNORMAL < Ref. to DTC C2223 TRANSMITTER 3 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2224 TRANSMITTER 4 PRESSURE DATA ABNORMAL < Ref. to DTC C2224 TRANSMITTER 4 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2321 TRANSMITTER 1 FUNCTION CODE ABNORMAL < Ref. to DTC C2321 TRANSMITTER 1 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2322 TRANSMITTER 2 FUNCTION CODE ABNORMAL < Ref. to DTC C2322 TRANSMITTER 2 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2323 TRANSMITTER 3 FUNCTION CODE ABNORMAL < Ref. to DTC C2323 TRANSMITTER 3 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2324 TRANSMITTER 4 FUNCTION CODE ABNORMAL < Ref. to DTC C2324 TRANSMITTER 4 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2421 TRANSMITTER 1 BATTERY VOLTAGE LOW < Ref. to DTC C2421 TRANSMITTER 1 BATTERY VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2422 TRANSMITTER 2 BATTERY VOLTAGE LOW < Ref. to DTC C2422 TRANSMITTER 2 BATTERY VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2423 TRANSMITTER 3 BATTERY VOLTAGE LOW < Ref. to DTC C2423 TRANSMITTER 3 BATTERY VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2424 TRANSMITTER 4 BATTERY VOLTAGE LOW < Ref. to DTC C2424 TRANSMITTER 4 BATTERY VOLTAGE LOW , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >
C2521 SPEED ABNORMAL < Ref. to DTC C2521 SPEED ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). >