Cruise Control Input Processor
Table of contents
P1607 TOYOTA Possible Causes
- Faulty Engine Control Module (ECM)
- ECM harness is open or shorted
- ECM circuit poor electrical connection
How do I fix code P1607 TOYOTA?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- Check the Engine Control Module (ECM) fuse, if fuse is OK try erasing the code first and if the code comes back you may have to reprogrammed or replaced the ECM.
Cost of diagnosing the P1607 TOYOTA code
The cost of diagnosing the P1607 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1607 TOYOTA Description
The Engine Control Module (ECM) continuously monitors its main and sub CPUs for the cruise control. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standards, the ECM will illuminate the MIL and set the Diagnostic Trouble Code (DTC) immediately.