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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control >> Dynamic Laser Cruise Control System >> DTC P1616 Communication Error from HV ECU to Distance Control ECU >> Inspection Procedure

Inspection Procedure

HINT:

The distance control ECU is considered normal because it determines that signals sent from the hybrid vehicle control ECU are not normal. If a communication error occurs, DTC U0293 will be set.

  1. REPLACE HYBRID VEHICLE CONTROL ECU 
    1. Replace the hybrid vehicle control ECU (See REMOVAL ).
    NOTE: When the hybrid vehicle control ECU is replaced with a new one, initialization must be performed (See INSTALLATION ).

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