Engine-Codes - Toyota - P1123 2008 TOYOTA PRIUS

P1123 2008 TOYOTA PRIUS - Coolant Flow Control Valve Position Sensor Circuit High

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1123 2008 TOYOTA PRIUS Possible Causes

  • Coolant Flow Control Valve
  • Faulty Coolant Flow Control Valve Position Sensor
  • Coolant Flow Control Valve Position Sensor harness is open or shorted
  • Coolant Flow Control Valve Position Sensor circuit poor electrical connection
  • ECM

How do I fix code P1123 2008 TOYOTA PRIUS?

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 P1123 2008 TOYOTA PRIUS code

Labor: 1.0

The cost of diagnosing the P1123 2008 TOYOTA PRIUS code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1123 2008 TOYOTA PRIUS Meaning

This system uses an electric pump to supply hot coolant stored in the heat storage tank into the cylinder head of the engine, in order to optimize engine starting combustion and reduce the amount of unburned gas that is discharged while the engine is started.

The water valve for the coolant heat storage (CHS) system, which is located at the heater hoses, controls the coolant passages to the engine, heater core, and the CHS tank in accordance with the operating conditions of the system.

P1123 2008 TOYOTA PRIUS More Information

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