Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P1607-00: Cruise Control Input Processor [11/2018 - 08/2020]: Procedure
- CHECK FOR DTCs (CRUISE CONTROL SYSTEM)
- Clear the DTCs.
Refer to DTC CHECK / CLEAR [11/2018 - 08/2020]
Powertrain > Radar Cruise1 > Clear DTCs
- Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
- Check for DTCs.
Refer to DTC CHECK / CLEAR [11/2018 - 08/2020]
Powertrain > Radar Cruise1 > Trouble Codes
Result
Result Proceed to DTC P1607-00 is not output A DTC P1607-00 is output B
Result:
A
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ]
Result:
B
REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] , or refer to REMOVAL [10/2019 - 08/2020]
- Clear the DTCs.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.