RM38T0EC _56 Audio / Visual / Telematics _111966 AUDIO / VIDEO _0589552 AUDIO AND VISUAL SYSTEM(Production Date from 2023/04) C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(Production Date from 2023/04)  U010087  Lost Communication With ECM/PCM "A" Missing Message  U012987  Lost Communication With Brake System Control Module Missing Message  U015587  Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message  U016487  Lost Communication with HVAC Control Module Missing Message  U019887  Lost Communication with Telematic Control Module "A" Missing Message  U026587  Lost Communication with Image Processing Sensor A Missing Message  U029387  Lost Communication with Hybrid/EV Powertrain Control Module Missing Message  U100049  CAN Register Fixing Internal Electronic Failure  


DESCRIPTION

These DTCs are stored when the radio and display receiver assembly detects a malfunction in the CAN communication circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
U010087 Lost Communication With ECM/PCM "A" Missing Message Communication malfunction between radio and display receiver assembly and ECM/hybrid vehicle control ECU for 10 seconds or more CAN communication system Navigation System B
U012987 Lost Communication With Brake System Control Module Missing Message Communication malfunction between radio and display receiver assembly and brake actuator assembly (skid control ECU) for 10 seconds or more CAN communication system Navigation System B
U015587 Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message Communication malfunction between radio and display receiver assembly and combination meter assembly for 30 seconds or more
(2 trip detection logic) 		CAN communication system Navigation System B
U016487 Lost Communication with HVAC Control Module Missing Message Communication malfunction between radio and display receiver assembly and air conditioning amplifier assembly for 10 seconds or more CAN communication system Navigation System B
U019887 Lost Communication with Telematic Control Module "A" Missing Message Communication malfunction between radio and display receiver assembly and telematics transceiver for 3 seconds or more CAN communication system Navigation System B
U026587 Lost Communication with Image Processing Sensor A Missing Message Communication malfunction between radio and display receiver assembly and rear television camera assembly for 12 seconds or more
(2 trip detection logic) 		CAN communication system Navigation System B
U029387 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message Communication malfunction between radio and display receiver assembly and hybrid vehicle control ECU for 11 seconds or more
(2 trip detection logic) 		CAN communication system Navigation System B
U100049 CAN Register Fixing Internal Electronic Failure CAN bus connection error
(2 trip detection logic) 		CAN communication system Navigation System B

CAUTION / NOTICE / HINT

NOTICE:

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (Production Date from 2023/04)>PRECAUTION


PROCEDURE

1.CLEAR DTC
a.

Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
50002 496

Result:
Proceed to
NEXT



NEXT

2.CHECK FOR DTC
2.CHECK FOR DTC

Pre-procedure1

a.

Turn the ignition switch off.


b.

Turn the ignition switch to ON and wait for 45 seconds or more.


Procedure1

c.

Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes
50001 496
Result:
Result Proceed to
DTCs are not output A
DTC U010087, U012987, U015587, U016487, U019887, U026587, U029387 or U100049 is output B
U100049 is output C



Post-procedure1

d.

None



A

GO TO HOW TO PROCEED WITH TROUBLESHOOTING

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


B

GO TO CAN COMMUNICATION SYSTEM

for HEV Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING

for Gasoline Model: Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for Gasoline Model)>HOW TO PROCEED WITH TROUBLESHOOTING


C

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL