When SPAS ECU has not correct checksum, SPAS ECU judges there is / are fault on SPAS ECU itself. In order to monitor whether many values calculated by SPAS ECU itself are correct or not, SPAS ECU monitors data incorrection through the sum values of each calculated by itself.
When SPAS ECU detects internal calculation error such as Checksum, SPAS ECU sets this DTC.
Item | Detecting Condition | Possible cause |
DTC Strategy |
•
SPAS ECU internal check | 1. SPAS ECU |
Enable Conditions |
•
IG ON. | |
Threshold vlaue |
•
Fault SPAS RAM, ROM or EEPROM | |
Diagnostic Time |
•
Right after detecting fault | |
DTC Erasing Time |
•
- |
