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Toyota Tacoma Blind Spot Monitor DTC Troubleshooting

This document outlines the procedure for addressing specific Diagnostic Trouble Codes (DTCs) related to the Blind Spot Monitor system in 2016-2018 Toyota Tacoma vehicles. The affected DTCs include U0232, U0233, C1AC1, C1AC2, C1AB6, and C1AB7, which may cause a warning message.

The bulletin details the necessary steps for diagnosis and repair, including confirming the presence of the DTCs using Techstream, removing and replacing the blind spot monitor sensors, and performing system operation checks. It references the official Toyota Technical Information System (TIS) for detailed repair manual procedures for specific model years and configurations, including those with or without a towing package.

Key steps involve checking for specific DTCs, removing the rear bumper assembly, replacing the blind spot monitor sensors with the correct torque specifications, temporarily reinstalling the bumper, performing system operation checks, and clearing any remaining DTCs.

For detailed instructions and diagrams, refer to the relevant sections in the Toyota Repair Manual available through TIS.

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MC-10162247-9999 Microsoft Word 2010

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