What causes code P2138?
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 …
Why does my Pontiac say engine power reduced?
“Reduced Engine Power” Message In most cases, the Engine Power Reduced warning indicates that your car’s performance has been intentionally limited. Your car’s primary computer, often known as the powertrain control module (PCM), triggers Reduced Power Mode when it detects a system failure.
Can I drive my car with a 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.
Can you drive with a P2138 code?
How much does it cost to fix TPS?
What is this? The parts will cost you between $75 and $130 on average. The labor costs will be anywhere between $60 and $90, depending on the hourly rate of the mechanics. So in total, you can expect to pay between $135 and $220 for a throttle position sensor replacement.
What causes a vehicle to lose power?
There are many reasons why your vehicle may be losing power, especially when accelerating. Some of these common causes are: Mechanical problems such as: Low compression, clogged fuel filter, dirty air filter, clogged Exhaust Manifold. Malfunction of actuators such as: Bad injectors, bad fuel pump, bad spark plugs.
What does code p2138 mean on a 2007 Pontiac Grand Prix?
Hi all, I have a 2007 Pontiac Grand Prix with sunroof which is throwing code P2138. This has been going on for nearly a year now. When driving in rain or very wet road conditions the Reduced Engine Power message will come on along with the check engine.
What are the symptoms of a p2138 code?
Symptoms. Symptoms of a P2138 code can range from stalling when you come to a stop, total lack of power, no acceleration, sudden loss of power at cruise speeds or stuck throttle at current rpm. Additionally, the check engine light will illuminate and the code will be set.
What does the p2138 code on a GMC Sierra mean?
When they deviate for two seconds, the code P2138 is set indicating a malfunction somewhere in the system. Additional trouble codes may accompany this code which further identify the problem. The bottom line is, it can be a dangerous situation when control over the throttle is lost.
What’s the p2138 code for a throttle position sensor?
The automotive trouble code P2138 throttle/pedal position sensor/switch D/E voltage correlation refers to a problem related to the throttle’s ability to open and close properly.
