DTC P0649
Precautions: Precautions for Diagnosing Trouble · Precautions for Adaptive Cruise Control System · Precautions for Replacing RBS Control Module · General safety (00)
DTC Detecting Condition and Trouble Area
| DTC detecting condition | Trouble area |
|---|---|
|
P0649: Speed Control Lamp Control Circuit “CRUISE / SET / LIMIT indicator lighting signal” from combination meter remains unchanged even if ECM transmits request to turn on or turn off “CRUISE / SET / LIMIT indicator light control signal” to combination meter through CAN communication. |
•CAN communication circuit
•Combination meter •ECM |
DTC Troubleshooting
| Step | Action | Yes | No |
|---|---|---|---|
| 1 |
DTC check
1)Check control modules communicating by CAN for DTCs.
Is there any CAN-DTC(s) detected?
|
Go to troubleshooting for applicable DTC.
|
Replace combination meter and recheck DTC. If DTC P0649 is still detected, replace ECM and recheck DTC.
•Combination meter:
 •ECM:
—M16A model:
—K14C model: —D16AA model: |