4-Wheel Anti-Lock Brakes (4WABS)

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NOTE: If DTC B2900, C1805 and U1900 are set at the time, diagnose the concern for U1900 first.

NOTE: DTC C1730 (Reference Voltage Out Of Range) must be repaired before DTC C1279, C1280, C1281, C1282, C1288, C1289.