Toyota Corolla Cross: Lost Communication with ECM/PCM "A" Missing Message (U010087,...,U016387)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Memory |
U010087 |
Lost Communication with ECM/PCM "A" Missing Message |
Diagnosis Condition:
- IG voltage 8.5 V or higher
Malfunction Status:
- No communication with ECM
Detection Time:
- Continuously for 10 seconds or more
|
- CAN communication system
- ECM
- Air conditioning amplifier assembly
| Memorized |
U013187 | Lost Communication with Power Steering Control Module Missing Message |
Diagnosis Condition:
- IG voltage 8.5 V or higher
Malfunction Status:
- No communication with power steering ECU assembly
Detection Time:
- Continuously for 10 seconds or more
|
- CAN communication system
- Power steering ECU assembly
- Air conditioning amplifier assembly
| Memorized |
U014087 | Lost Communication with Body Control Module Missing Message |
Diagnosis Condition:
- IG voltage 8.5 V or higher
Malfunction Status:
- No communication with main body ECU (multiplex network body ECU)
Detection Time:
- Continuously for 10 seconds or more
|
- CAN communication system
- Main body ECU (multiplex network body ECU)
- Air conditioning amplifier assembly
| Memorized |
U015587 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
Diagnosis Condition:
- IG voltage 8.5 V or higher
Malfunction Status:
- No communication with combination meter assembly
Detection Time:
- Continuously for 10 seconds or more
|
- CAN communication system
- Combination meter assembly
- Air conditioning amplifier assembly
| Memorized |
U016387 | Lost Communication with Navigation Control Module Missing Message |
Diagnosis Condition:
- IG voltage 8.5 V or higher
Malfunction Status:
- No communication with radio and display receiver assembly
Detection Time:
- Continuously for 10 seconds or more
|
- CAN communication system
- Radio and display receiver assembly
- Air conditioning amplifier assembly
| Memorized |
PROCEDURE
(a) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes
Result | Proceed to |
DTC U010087, U013187, U014087, U015587 or U016387 is output |
A |
DTCs are not output |
B |
None of the above conditions are met |
C |
A |
| GO TO CAN COMMUNICATION SYSTEM |
B |
| USE SIMULATION METHOD TO CHECK |
C |
| GO TO DIAGNOSTIC TROUBLE CODE CHART |
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Symptom Factor
A/C switch indicator does not i
SEE MORE:
■ Driving support system
information
Select to display the operational
status of the following systems:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alert)
PCS (Pre-Collision System)
Dynamic radar cruise control
RSA (Road Sign Assist) (if
equipped)
■ Navigation system-linked
display (if
DESCRIPTION The combination meter assembly receives the hazard warning signal switch assembly on signal and controls the operation of the hazard warning lights. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the combination meter assembly, always replace it with a new one. If a c