Toyota Corolla Cross: Lost Communication with ECM/PCM "A" Missing Message (U010087,U013187,U014087,U015587,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 DTC CHART |
READ NEXT:
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Symptom Factor
A/C switch indicator does not i
SEE MORE:
PROCEDURE
1.
CHECK CAN COMMUNICATION SYSTEM
(a) Enter the following menus: Bus Check.
for HEV Model:
Click here
for Gasoline Model:
Click here
(b) Check that all ECUs and sensors that use CAN communication
are connected.
Result
PRECAUTION DO NOT HANDLE REFRIGERANT IN AN ENCLOSED AREA OR NEAR AN OPEN FLAME
*a Charging Cylinder
ALWAYS WEAR EYE PROTECTION BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN YOUR EYES OR ON YOUR SKIN
If liquid refrigerant gets in your eyes or on your skin.
(a) Wash the area with