Communication Error Between From ECM To VSC
Table of contents
P1631 TOYOTA Possible Causes
- Skid Control ECU / Engine Control Module (ECM) harness is open or shorted
- Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection
- Faulty Skid Control ECU
- Faulty Engine Control Module (ECM)
How do I fix code P1631 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.
Cost of diagnosing the P1631 TOYOTA code
The cost of diagnosing the P1631 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)
P1631 TOYOTA Description
The Skid Control Electronic Control Unit (ECU) sends signals such as cruise control cancel demand signals and brake operation demand from Engine Control Module (ECM) response signals to the ECM when the cruise control system is in operation.