DTC C1084 / C1085 / C1097
Precautions: Precautions for ESP® · Precautions for Diagnosing Trouble · Test with Speedometer Tester or Other Equipment · Precautions for Brakes · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
C1084: ESP® Detects Message Counter Failure From EPS Invalid CAN data is received from P/S control module. (counter value) |
•P/S system
•P/S control module •ESP® control module |
|
C1085: ESP® Detects Check Sum Failure From EPS Invalid CAN data is received from P/S control module. (sum value) |
|
|
C1097: DTC Concerning Power Steering Control Module DTC concerned with P/S is detected. |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
Was “ESP® System Check” performed?
|
Go to Step 2.
|
Go to ESP® System Check.
|
| 2 |
DTC check
1)Perform DTC Check.
Is other DTC(s) than C1084, C1085 or C1097 detected?
|
Go to applicable DTC troubleshooting.
|
Go to Step 3.
|
| 3 |
DTC check for P/S control module
1)Check P/S control module for DTC.
Is other DTC(s) than C1084, C1085 or C1097 detected?
|
Go to applicable DTC troubleshooting.
|
Replace steering column assembly and recheck DTC.
Replace ESP® hydraulic unit / control module assembly if DTC is still detected.
|