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 |
READ NEXT:
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SEE MORE:
Fuel consumption information
can be displayed on the
audio system screen.
System components
Audio system screen
Displaying fuel consumption
screen
Select on the main menu.
Select "Trip information".
Select "Current" or "History".
■ Current fuel consumption
Resetting the consumption
d
CHECK MODE PROCEDURE HINT: Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode.
NOTICE: All of the stored DTCs and Freeze Frame Data are cleared if: 1) the ECM is changed from normal mode to che