AHS CM monitors the voltage of battery and if it stays less than 8.5~9.5V, this DTC B1102 is set. In this case, check IG fuse open, the battery and the charging system.
Item | Conditions for setting DTC | Possible Cause | |
DTC Strategy |
•
Monitoring IG power voltage | 1. Faulty charging system(power voltage drop) 2. Poor connection of connected part 3. IG fuse open 4. Open/short in power circuit 5. Open/short in ground circuit | |
Enable Conditions |
•
Vehicle speed is over 25kph | ||
Threshold Value |
•
Power voltage maintains less than 8.5~9.5V continuously for 5sec | ||
Diagnostic Time |
•
100㎳ | ||
Fail-safe |
•
AHS operates normally | ||
Cancellation | Active DTC |
•
Soon as it recovers from the failure at IG key "ON"(Power voltage maintains more than 8.5V~9.5V)
•
Can be erased by GDS | |
History DTC |
•
Can be erased by GDS | ||
