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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Hybrid Control System (2WD) - Diagnostic Codes (7 Of 7) & Circuit Tests) >> HYBRID CONTROL SYSTEM (for 2WD) >> DTC U029A-87: Lost Communication with Hybrid/EV Battery Sensor Module Missing Message [12/2019 - 11/2023] >> Monitor Description

Monitor Description

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If a malfunction in communication line between the battery voltage sensor and hybrid vehicle control ECU is detected, the hybrid vehicle control ECU will illuminate the MIL and store a DTC.

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