Error Code P0587: What It Means & What To Do?

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There is a cruise control vacuum in every vehicle, this system is primarily responsible for maintaining the desired speed levels. For doing this, it uses the vacuum, the vacuum is released from the Cruise Control Vent Solenoid when the vehicle has to be slowed down. When the Vent Control Solenoid fails to perform as requested, the Powertrain control module will set error code P0587, and disable the cruise control.

The P0587 is a code signaling a problem with the cruise control vent control circuit. The PCM and the Cruise control module work with each other in controlling the speed of the car. When the PCM is unable to control the speed of the car, it will by default run check sof the whole cruise control system for errors. If the PCM finds that the voltage or resistance aren’t as expected, it will proceed to setting P0587 code.

What causes this problem with the Cruise Control Vent Control Circuit Low?

• Malfunction in the functioning of the cruise control switch
• Faulty electrical connection to the speed control/vent control solenoid
• An open or shorted circuit found in the speed control/vent control harness
• Obstruction within the cruise control system or a vacuum leak
• Connectors are damaged or corroded hence unable to function
• Clear defects in the vent control solenoid
• Blown up fuses, this could be due to any underlying electrical issue in the cruise control vent control circuit of the vehicle

1. Cruise Control Switch - Repair and replace as needed upon inspection. We ship across Canada, get your order delivered to your doorstep hassle free.
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3. Cruise control system - Try to spot the exact issue and repair or replace as warranted by the problem.
4. Engine Control Module - We have parts that are compatible with various automobiles, simply search on our website, or take assistance from our customer care agent available online.
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After knowing all the cause behind the issues, let’s have a look at few common symptoms of this problem. Read through this section to learn more about this error code.

Common Symptoms

• If the code has been set in the PCM, it’s like that setting speed via the cruise control will not be possible
• The dashboard may show Illuminated ‘check/service engine soon’ warning lamp
• In some cases, you may also note blown fuses
• One or multiple cruise control functions are non-operative
• General cruise control functions are haphazard or intermittent

Here are some ways with the help of which you will be able to correct the OBD Code P0587:

• Replacing the vent control solenoid
• Wires present in the cruise control system need to be replaced
• Connectors present in the cruise control system need replacing
• Replacing burned fuses in the cruise control system

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Here’s a two-step guide to diagnosis of P0587:

Step 1 - The first thing to do in diagnosing the P0587 error; is verify if your cruise control switch needs replacement. A lot of your diagnostic issues will get clarified within this first step. So, for this you need to grab your vehicle manual, and proceed with locating and disconnecting your car's battery. Next, remove the steering wheel column bolt cover, for this you may need a screwdriver or a ratchet. You may have to first remove the airbag cluster from the center of the steering wheel, use your manual as a reference for this. Then, detach the electrical connector which is connected to the airbag cluster. You have to do this by pressing the side clips and pulling them apart from the hard-plastic side areas. Completely removing the steering wheel is needed in order to access the switch. For this you’ll need a special puller.

Once you have successfully detached the electrical connector from the cruise control switch, proceed on to detaching the switch. Simply do this by removing the bolts that hold the switch onto the steering column bracket. Now, you can safely replace the old switch with the new one and reinstall everything. You can refer your car manufacturers manual again for this, or simple retrace your steps backwards. After reconnecting the battery, you should test drive your vehicle. Ensure there’s not much traffic on the roads, to maintain safety for yourself and others on the road.

Step 2 - There may be a mechanical issue present in the cruise control vacuum system. This is indicative of a physical damage to the cruise control vacuum solenoid itself, represented by a leak in the system, kinke dor obstructed line, or others along the same lines. You will be able to spot these mechanical issues easily upon visual inspection, once you have spotted them simple repair or replace them. Vacuum leaks have to be catered to immediate, as they can cause much more damage if not catered to. Again, refer you service manual, for the precise diagnostic procedures and component locations in your vehicle. Bear in mind that these may be different, based on your vehicle model, so adhere to the procedures mentioned by the manufacturer for best results.

Common Mistakes When Diagnosing the P0587 Code

• The Cruise control switch has failed to perform
• Malfunctioning of the Powertrain Control Module (PCM)
• Multiple wiring issues