516346 4
What This Code Means
Heating flange status input 1 circuit is shorted to ground (high side); Heating flange status input 1 circuit is shorted to battery (low side); Heating flange status input 1 circuit is shorted to ground (low side); Heating flange status input 2 circuit has an open circuit; Heating flange status input 2 circuit is shorted to battery; Heating flange status input 2 circuit is shorted to battery (high side); Heating flange status input 2 circuit is shorted to battery (low side); Heating flange status input 2 circuit is shorted to battery high side; Heating flange status input 2 circuit is shorted to ground; Heating flange status input 2 circuit is shorted to ground (high side); Heating flange status input 2 circuit is shorted to ground (low side); Heating flange status input 2 circuit is shorted to ground high side; Communication error between engine control unit and aftertreatment control module; Communication error between engine control unit and secondary injection control module; Commu
Possible Causes
- •Communication error to secondary injection control module
- •Communication error to slave injection control unit
- •Communication error with aftertreatment control module
- •Critical high output current for Starter 2
- •Electrical error with Starter 2
- •Open circuit on Starter 2
- •Open circuit on heating flange status input 2
- •Short circuit to battery high side on Starter 2
- •Short circuit to battery high side on heating flange status input 2
- •Short circuit to battery low side on Starter 2
- •Short circuit to battery low side on heating flange status input 1
- •Short circuit to battery low side on heating flange status input 2
- •Short circuit to battery on Starter 2
- •Short circuit to battery on heating flange status input 2
- •Short circuit to ground high side on heating flange status input 1
- •Short circuit to ground high side on heating flange status input 2
- •Short circuit to ground low side on heating flange status input 1
- •Short circuit to ground low side on heating flange status input 2
- •Short circuit to ground on heating flange status input 2
- •Starter 2 locked due to overtemperature
Suggested Actions
- 1Diagnose Short circuit to battery
- 2Diagnose Short circuit to battery (high side)
- 3Diagnose Short circuit to battery (low side)
- 4Diagnose Short circuit to battery high side
- 5Diagnose Short circuit to ground
- 6Diagnose Short circuit to ground (high side)
- 7Diagnose Short circuit to ground (low side)
Related Rehlko Fault Codes
ASK RUDY ABOUT THIS FAULT
Get a diagnosis walkthrough for 516346 4 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.
TRY IT FREE