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 |
.gif) | GO TO CAN COMMUNICATION SYSTEM |
| B |
| USE SIMULATION METHOD TO CHECK |
| C |
| GO TO DIAGNOSTIC TROUBLE CODE CHART |
READ NEXT:
DESCRIPTION The blower motor with fan sub-assembly is operated by signals from the air conditioning amplifier assembly. Blower motor speed signals are transmitted in accordance with changes in the dut
DESCRIPTION The thermistor assembly is installed in front of the cooler condenser assembly to detect the ambient temperature, which is used to control the air conditioning system. The thermistor assem
DESCRIPTION If none of the switch indicators on the air conditioning control assembly illuminate, the following factors may be the cause.
Symptom Factor
A/C switch indicator does not i
SEE MORE:
PRECAUTION
PRECAUTION WHEN REPLACING CENTRAL GATEWAY ECU (NETWORK GATEWAY ECU)
(a) When the central gateway ECU (network gateway ECU) is replaced, update the
ECU security key.
Click here
PRECAUTIONS FOR DISCONNECTING CABLE FROM NEGATIVE (-) BATTERY TERMINAL
NOTICE:
After the ignition sw
DATA LIST / ACTIVE TEST
DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are
reference values. Do not depend solely on these reference values when deciding whether
a part is faulty or not.
HINT:
Using the GTS to read the Data List allows the values
