Error Code P0937: What It Means & What To Do?

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If the check engine light of your vehicle is on and the P0937 code is set, know that this OBD code is indicative of any malfunction in the vehicle’s hydraulic oil temperature sensor circuit. Don’t know what that is? Well, we will give you all the information you need to be able to not just understand but also get rid of this code.

The hydraulic fluid temperature is monitored by the hydraulic oil temperature sensor, it then reports it to the Powertrain Control Module. Whenever the hydraulic oil temperature sensor notices that the temperature of the hydraulic fluid is more than what is required by the manufacturer, it will inform the Powertrain Control Module. The P0937 code is also responsible for making the PCM to conclude that there’s an issue with the hydraulic pressure sensor itself too.

What causes this problem with the Hydraulic Oil Temperature Sensor Circuit?

• Failure to report voltage by the temperature sensor
• Damaged wiring causing problem with reporting accurate temperatures
• Wiring is damaged and hence causing issue
• PCM is not working properly

1. Powertrain Control Module - You may have to replace it if repairs don’t help with P0937 code. Simply order online at Parts Avatar and have it delivered right to your doorstep.
2. Temperature Sensor Circuit - Check for any repairs that you can do if they don’t get rid of the P0937 code then simply opt for replacement.
3. Oil Temperature Sensor - Repair or replace as needed to be able to solve this OBD error.
4. Hydraulic Fluid Temperature Sensor - Fix the problems you have noticed and see if that helps. Otherwise replace the sensor.
5. Diagnostic Tools - Go for the best diagnostic tools to be able to conduct correct diagnosis for your vehicle. You can purchase from a wide range of brands from us. Order Online easily from the comfort of your home.
6. Automatic Transmission Module - You may find faults within the Transmission Control Module, try to repair and see if the P0937 code returns, if it does, then you will have to replace it. Buy from Parts Avatar and get free shipping on orders over CAD $99.
7. Engine Control Module - You may have no choice but to replace the ECM module, don’t fall for low quality parts. Opt for the best from brands available at Parts Avatar. We ship across Canada in just a matter of days!

It is essential to know the symptoms of an issue as only then you would be able to solve the problem. So that’s why we have listed out some major symptoms of OBD Code P0937 here:

Common Symptoms

You can find an array of symptoms when the P0937 code is set, we have listed some of them here for your reference:

• Check Engine Light is On
• Problem with shifting
• Low fuel economy
• Overheating of the engine
• Erratic behaviour of the indicator lamps

Here are some ways with the help of which you will be able to correct the OBD Code P0937

1. Repair or replace the faulty oil temperature sensor
2. Repair or replace all damaged wiring, or connectors that may be corroded, broken, disconnected etc.
3. Address codes preceding the P0937 code that are veen stored
4. Repair or replace the PCM, this will require reprogramming of the PCM
5. Test drive vehicle to see if the code returns after every step of repairs or replacements.

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Here are some steps which you should follow in order to diagnose this fault code:

Start off by running the code scanner by connecting it to the diagnostic port and retrieve all the codes that have been stored. You will have to freeze frame the data and start solving them in the order of appearance. There’s a chance that the codes set previously may be causing this issue, so it’s very important that once those have been resolved it should be reset, and check if the code returns. If the code doesn’t return then it was an issue with the other codes, if the code resets then it’s time to carry out proper diagnosis.

Look through the temperature sensor should be observed properly to see any signs of visible damage. It should also be tested through a voltmeter to note any possible internal issues that may be present. The next step is to thoroughly investigate the wiring and circuitry to see any damages that may be present. The wiring that has to be checked is the one running from the oil temperature sensor all the way to the PCM. Also note any signs of loose connections or disconnected wires or connectors. Sometimes these wires may not be seated as they should, you can simply set them in place. All the damages should be repaired properly and all components beyond repair should be replaced. It is also important to inspect the wire harness present near the intake manifold bracket. This can be found below the car where the oil filter is located, however to be sure you can refer your vehicle's information source to find the exact location for your specific make, model and engine. Any issues related to it should also be repaired or replacement should be done. This

Common Mistakes When Diagnosing the P0937 Code

• Replacing the temperature sensor when the issue is with the wiring.
• Jumping on to replacing the PCM without ruling out all the other components
• Not following the OBD-II diagnostic steps correctly