When code P2138 is set, the ECM has found that the throttle position sensor and accelerator pedal position sensor aren’t producing the expected signals that they should be. When the ECM detects this, it may put the vehicle in a fail-safe condition that limits throttle opening to 5-15%.
What does P2138 mean?
Diagnostic trouble code (DTC) P2138 stands for “Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation.” It is triggered when the vehicle’s engine control module (ECM) or powertrain control module (PCM) detects that the signals from the two throttle position sensors (or two accelerator pedal position sensors) do
Can you drive with P2138 code?
We recommend addressing the issue causing P2138 as soon as possible. Your car may have trouble accelerating or go into reduced power mode when this code is triggered, which lets you know it’s not the best idea to drive with P2138.
How much does it cost to fix p2138 code?
How much will it cost to fix? The total repair costs will depend on which component of the throttle control system is causing the problem, but diagnosing the problem should take about one hour. This might cost from $70 to $150, depending on the auto shop.
How do I reset my electronic throttle body?
Resetting your electronic throttle control manually can be a tricky job. First, make sure the accelerator pedal is fully released. Next, turn the ignition on and then turn it off and wait for ten seconds. During these ten seconds, be sure the throttle valve is moving by listening for a sound of operation.
How much does it cost to fix TPS?
The average cost for throttle position sensor replacement is between $157 and $201. Labor costs are estimated between $55 and $69 while parts are priced between $102 and $132. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
How do you fix a throttle position sensor?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
What is the throttle body?
The throttle body is an important part of your air intake system that controls the air flowing into your engine. It’s located between your air intake and engine manifold where fresh air is pulled into the engine for the combustion process.
What causes a throttle position sensor to fail?
Throttle position sensors can fail or wear out just like any other engine component. Sometimes improper service causes the sensor to malfunction. A sensor problem will usually activate a check-engine light, but the car may send out its own cry for help in the form of performance problems.
How do I calibrate my accelerator pedal position sensor?
To recalibrate the ECM and accelerator pedal, the ignition switch must be in the ON position and then the accelerator pedal must be slowly and fully depressed from idle to full throttle. Repeat the procedure three times.
Is there a way to test a throttle position sensor?
You will need a multimeter to test the TPS sensor. Testing it involves grounding the connectors’ terminals as you put the multimeter probe on black to negative and red to positive. Make sure the throttle is fully closed by turning the key without starting the vehicle. Then read the voltage.
How do I fix code P0123?
What repairs can fix the P0123 code?
Repairing or replacing the TPS connector for shorting.Repairing the wiring short as necessary.Replacing the TPS with a new sensor.
What is voltage correlation?
Diagnostic trouble code (DTC) P2135 stands for “Throttle/Pedal Position Sensor/ Switch A/B Voltage Correlation.” This code appears when your car’s primary computer, which is often referred to as the powertrain control module (PCM), detects a problem with one of throttle and/or the pedal position sensors/switches.
How much is a new gas pedal?
The average accelerator pedal sensor replacement cost is between $100 and $300, depending on the car model and labor costs. The accelerator pedal sensor usually costs between $50 and $200. The labor cost can range from $50 to $100 at a workshop.
Is it hard to replace a throttle position sensor?
When a throttle position sensor goes bad, your vehicle may stall or run rough at idle, and may stumble upon acceleration. The replacement of the TPS is a straightforward procedure that should take an amateur mechanic less than an hour to complete.
How much is a pedal sensor?
An accelerator pedal position sensor on CarParts.com can cost anywhere between $3 and $700. The labor cost for replacing this part typically ranges from $50 to $70.
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