DTC P1607: Cruise Control Input Processor: Procedure

CHECK DTC
1. Clear DTCs. Refer to DTC CHECK / CLEAR .
2. Turn the engine switch off.
3. Disconnect the cable from the negative (-) battery terminal and wait for 1 minute. Refer to PRECAUTION .
4. Connect the cable to the negative (-) battery terminal. Refer to PRECAUTION .
5. Turn the engine switch on (IG).
6. Check the DTCs.
  OK
  
  P1607 is not present.
NG → See step 3

OK → See step 2
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS
REPLACE ECM. Refer to REMOVAL