Lexus ES: Lost Communication With Body Control Module "B" (U0142)
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Mirror (ext) / Power Mirror Control System (for Hv Model With Memory) / Lost Communication With Body Control Module "B" (U0142)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0142 | Lost Communication with Main Body ECU | No communication with main body ECU (multiplex network body ECU) |
|
PROCEDURE
| 1. | GO TO CAN COMMUNICATION SYSTEM |
HINT:
Refer to CAN Communication System.
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| NEXT | .gif) | END |
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Check Bus 1 Line for Short to +B
DESCRIPTION There may be a short circuit between one of the CAN bus lines and +B when there is no resistance between terminal 23 (CA1H) of the central gateway ECU (network gateway ECU) and terminal 16 (BAT) of the DLC3, or terminal 8 (CA1L) of the central gateway ECU (network gateway ECU) and termin
How To Proceed With Troubleshooting
PROCEDURE 1. CHECK TIRE AND WHEEL SYSTEM DIAGNOSIS OF IRREGULAR TIRE WEAR GO TO STEP 11
DIAGNOSIS OF TIRE VIBRATION 2. TIGHTEN WHEEL NUTS Click here
NEXT 3. INSPECT TIRES Click here NG GO TO STEP 10
OK
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