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Home >> Lexus >> 2005 >> LS 430 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Dynamic Radar Cruise Control System - Diagnostics >> DTC P1630: Communication Error From VSC To ECM, DTC U0122 Lost Communication With Vehicle Dynamic Control Module >> Circuit Description

Circuit Description

The skid control ECU sends signals such as cruise control cancel demand signal, brake operation demand response signal from the ECM, etc. to the ECM when the dynamic radar cruise control system is in operation.

Fig 1: DTC P1630 And U0122 Problem Symptom Diagnostic Chart
G03003812Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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