IMMOBILIZER (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC P1574 KEY COMMUNICATION FAILURE
DTC DETECTING CONDITION:
Communication failure between key and the body integrated unit
| STEP | CHECK | YES | NO |
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Is the voltage −30 — 30 V? (Approx. 0.1 second after inserting the key) Is the voltage 0 V? (Approx. 1 second after inserting the key) |
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Does the engine start? |
Replace the ignition key (including the transponder). Execute the registration procedure next. Refer to the “PC application help for Subaru Select Monitor”. |