What Does the Engine Code P0942 Mean?
If your car is showing a P0942 code, this means there is a problem with your hydraulic pressure unit.
Written by Jason Tushinski
Reviewed by Melanie Reiff
If you see the engine code P0942, this means there is a problem with your vehicle’s hydraulic pressure unit, whose components apply hydraulic pressure to power your car’s engine, cylinders, and other components of the vehicle’s hydraulic system.
Diagnostic trouble codes (DTCs) can help you determine a problem your vehicle is being affected by. With this information, your mechanic will be able to visually verify the problem and repair it.
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What does the engine code P0942 mean?
Definition: Hydraulic pressure unit
Engine code P0942 indicates there is a problem with your hydraulic pressure unit, which comprises a series of components that drive the pressure needed to power your car’s hydraulic pressure system, which includes your motor, cylinders, and other parts.
How much will it cost to fix?
Fixing an issue with your vehicle’s hydraulic pressure unit should take about an hour of work from your mechanic. This work will cost approximately $75 to $150, depending on any parts needed and your mechanic’s labor costs.
What can cause the P0A08 engine code?
The following are the most common causes to trigger an engine code P0942 warning:
- Shift lever position
- Clogged transmission filter
- Defective transmission oil pump
Common symptoms of the P0420 engine code
You may not notice any visible signs that there is an issue with your car’s hydraulic pressure unit. Two of the most common signs, however, are listed below:
- You notice a delay in shifting
How serious is the P0942 engine code?
If the engine code P0942 appears, this is an issue that you need to take care of as soon as possible. Your vehicle’s hydraulic pressure unit is essential to its proper operation. If any of your car’s engine, cylinders, or other parts relating to the hydraulic system become faulty, your vehicle’s operation will suffer.
Can I fix the P0942 engine code myself?
If you know your way around a vehicle and are familiar with hydraulic pressure units specifically, then feel free to take a look under the hood to see if you can spot the issue. Be sure to check out:
- Any related wiring harness
- Any damaged components that are bent, broken, or pushed out
- If any connector pins are corroded
If you have no luck in determining what is wrong with the vehicle’s hydraulic pressure system, take your car to a qualified and licensed mechanic that you trust.
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