Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0132-87: Lost Communication with Suspension Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0168-87: Lost Communication with Vehicle Security Control Module Missing Message; DTC U0198-87: Lost Communication with Telematic Control Module "A" Missing Message; DTC U023B-87: Lost Communication with Image Processing Module "B" Missing Message; DTC U0265-87: Lost Communication with Image Processing Sensor A Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1000-49: CAN Register Fixing Internal Electronic Failure; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message [12/2024 - ]: Procedure
- CLEAR DTC
Result:
NEXT
See step 2
- CHECK FOR DTC
Pre-procedure1
- Turn the ignition switch off.
- Turn the ignition switch to ON and wait for 45 seconds or more.
- Check for DTCs.
Body Electrical > Navigation System > Trouble Codes
Result
Result Proceed to DTCs are not output A U0100-87, U0129-87, U0132-87, U0140-87, U0155-87, U0164-87, U0168-87, U0198-87, U023B-87, U0265-87, U0293-87, U1000-49 or U1110-87 is output B U1000-49 is output C
Post-procedure1
- None
Result:
A
GO TO HOW TO PROCEED WITH TROUBLESHOOTING
Refer to METHOD TO SIMULATE PROBLEM SYMPTOMS [12/2024 - ]
Result:
B
REFER TO "CAN COMMUNICATION SYSTEM". Refer To CAN COMMUNICATION SYSTEM (FOR GASOLINE MODEL) , or Refer To CAN COMMUNICATION SYSTEM (FOR 1MOTOR-HEV MODEL)
Result:
C
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY
Refer to REMOVAL [12/2024 - ]
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.