Toyota error code C13A9
Brake system malfunction reported to the TBC by the skid control ECU. The cascade code.
What to check, and in what order, is in the app. The flow Toyota - three complaints, three different systems walks this code step by step with the pass/fail measurements, wiring schematics and procedures that go with it, and it works offline in the bay.
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- Trailer Detection Field Manual Rev. 1.0 + Engineering Supplement Rev. BIn-house (shop technical reference)
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