What does p1121 code mean for 09 Prius?

Do I need a heater control valve?

You turn on the heater when it’s cold and warm air blows in at you. That’s why it is surprising for some people to learn that the heater control valve is a necessary part of how the heater works because it allows coolant to pass from the engine itself through the car heater where it’s able to warm you up.

What causes a check engine light on a Toyota Prius?

The Check Engine Light may illuminate with a fault code P1121 stored. It is commonly caused by a failed three way coolant control valve. Valve replacement is recommended if this occurs. The average cost for a Toyota Prius Check Engine Light Diagnosis & Testing is between $88 -$111.

How much does it cost to repair a p1121 Toyota Prius?

Cost of diagnosing the P1121 2008 TOYOTA PRIUS code Labor: 1.0 The cost of diagnosing the P1121 2008 TOYOTA PRIUS 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. P1121 2008 TOYOTA PRIUS Possible Symptoms

How to find out if your car has a p1121 code?

Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins. The cost to diagnose the P1121 code is 1.0 hour of labor. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type.

Is the coolant control valve on my 2005 Prius working?

My 2005 Prius now has over 270,000 miles and the valve is working fine. DIY, it’s not hard and only cost about $100. The check engine light came on. I took it to my local Toyota dealer and was told it was the coolant control valve. The charge for this would be just under $400.00 to fix. Am taking it to another shop for a second opinion/cost.

What does P1121 code mean for 09 Prius?

Thus it’s involved in heating the passenger cabin (when requested), as well as reducing cold start emissions (with the coolant storage system). …

What is P1121?

|P1121 Meaning Electric Throttle Control Actuator consists of throttle control motor, Throttle Position Sensor (TPS), etc. The throttle position sensor detects the throttle valve position, and the opening and closing speed of the throttle valve and feeds the voltage signals to the ECM.

What does coolant control valve do?

Coolant switch valves control the coolant flow in side-flow cooling circuits of the powertrain and in the heating circuits of passenger compartments. In hybrid and electric vehicles, they can be used for coolant flow distribution, e.g. for cooling the battery and power electronics.

How do you fix P0121?

What repairs can fix the P0121 code?

Repairing or replacing the TPS connector.
Repairing the wiring as necessary.
Replace the TPS with a new sensor.

What causes a heater control valve to go bad?

Leaking coolant Over time the heater control valve can wear out and crack, which will cause coolant to leak from the valve. Heater control valves can also leak from excessive corrosion from contact with old or contaminated engine coolant.

How do you diagnose a bad heater control valve?

Here are some of the warning signs of a bad heater control valve:

No heat comes out.
Heat is always on and you can’t turn it down.
Heater operates erratically, putting out more or less heat without any control changes.
Coolant leaks.
Low coolant level.
Higher-than-normal temperature gauge readings (from loss of coolant)

Can I add water to Prius coolant?

The short answer is no, you can’t mix tap water with engine coolant.

What does the p1121 code on a Prius mean?

P1121 TOYOTA PRIUS Meaning. Coolant Flow Control Valve Position Sensor Circuit Stuck is the generic description for the P1121 TOYOTA PRIUS code, but the manufacturer may have a different description. Currently we have no further information abouth the P1121 TOYOTA PRIUS OBDII code.

How much does it cost to repair a Toyota Prius?

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. Coolant Flow Control Valve Position Sensor Circuit Stuck is the generic description for the P1121 TOYOTA PRIUS code, but the manufacturer may have a different description.

What does the Check Engine light on a Toyota Prius mean?

Anything that has to do with emissions illuminates the “check engine” light; if something goes wrong with this valve, the “check engine” light comes on. The valve is prone to sticking, and Toyota has issued a technicial service bulletin (TSB) on this problem: EG001-08 M.I.L. “ON” DTC P1121

How long does it take to replace a valve on a Prius?

Warranty time for valve replacement, as listed in the TSB, is 2.1 hours. Luscious Garage charges 1.75 hours. Any references to pricing of parts, labor, or estimates of any kind were accurate at time of publication. Please contact us for updated pricing.

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