When SPAS ECU detects short to ground or battery in CAN High / Low circuit simultaneously, SPAS ECU sets this DTC. This DTC is only set when SPAS detects that there is/are fault in CAN high / low communication line together. Absolutely CAN communication is impossible.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
CAN BUS LINE Check | 1. Poor Connection 2. Short to power or ground in CAN high / low simultaneously 3. Faulty SPAS |
Enable Conditions |
•
Right after SPAS ECU receives battery voltage | |
Threshold vlaue |
•
After CAN message is transferred but no Tx signal detection
•
No CAN message | |
Diagnostic Time |
•
Faulty is detected for more than 0.5 sec. | |
DTC Erasing Time |
•
- |
