Lexus ES: Internal Control Module Software Incompatibility Not Programmed (U030051)
Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System (for Hv Model) / Internal Control Module Software Incompatibility Not Programmed (U030051)
DESCRIPTION
If the forward recognition camera cannot verify the vehicle information sent from the hybrid vehicle control ECU, the forward recognition camera stores DTC U030051.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from |
|---|---|---|---|---|---|
| U030051 | Internal Control Module Software Incompatibility Not Programmed | The vehicle information sent from the hybrid vehicle control ECU cannot be verified by the forward recognition camera. | Pre-collision system | Does not come on | Radar Cruise2 |
PROCEDURE
| 1. | GO TO PRE-COLLISION SYSTEM |
HINT:
If DTC U030051 is output by the dynamic radar cruise control system, perform troubleshooting for the pre-collision system.
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
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If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.*1
Reassembly
REASSEMBLY PROCEDURE 1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG (a) Temporarily install the front disc brake bleeder plug to the front disc brake cylinder. HINT: Fully tighten the front disc brake bleeder plug after bleeding the system. 2. INSTALL FRONT DISC BRAKE BLEEDER PLUG CAP (a) Inst
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