Guide To P056B OBD Error Code Solutions

<<See All OBD Codes

The trouble code P056B can be explained as Cruise Control Decrease Distance Signal. This code is a generic trouble code, meaning it applies to all vehicles equipped with the OBD-II system, especially those made from 1996 up to present. It’s also more common among Audi, Citroen, Chevrolet, Ford, Hyundai, Nissan, Peugeot and Volkswagen vehicles. Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model, powertrain configuration type, to another.

Do you want to know more about the P056B fault code? Don’t worry! Parts Avatar Canada is here at your service. The cruise control system keeps the vehicle running at a constant speed until a signal cancelling this fixed speed would be received. Now if the main switch is turned on with the vehicle in the running mode, engine control module would be applied with the battery voltage. When a signal from the control switch is input to the ECM while the vehicle is in a state, the ECM controls fuel injection to make a car move at a steady stable as per you want.

What causes this problem with the Cruise Control Decrease Distance Signal?

• The cruise control switch or buttons might be damaged
• There might be no effective electrical connection in the connector
• Chafed, damaged, open, shorted wires within the cruise control harness
• There can be contaminated cruise control switch assembly
• Defective cruise control module
• Body control module might not function properly
• Malfunction caused because of overheating parts
• Faulty PCM

1. Body Control Module Component - A faulty Body Control Module Component can be troublesome. You can always rely on us as we have best auto parts for our customers.
2. Engine Control Module - If everything is alright with Body Control Module Component, then there is surely some defect in Engine Control Module. Get it replaced before the situation gets worse.
3. Fuel Injector - P056B code can display due to some faults in the Fuel Injector. So, it is very important to replace the Fuel Injector with us at equitable prices.
4. Throttle Body - Do you remember when was the last time you got your car Throttle Body checked up? A dirty Throttle Body can cause a lot of issues like displaying P056B code.
5. Cruise Control Switch - Are there some faults in your Cruise Control Switch? Don’t waste time and get them replaced or else P056B code can turn up.

There could be countless symptoms which that would accompany with this fault code. Willing to know some common symptoms of OBD Trouble Code P056B? Your wish is our demand. Have a look at them below:

Common Symptoms

• Defaults in the cruise control
• Cruise control light in the dash is continuous or not coming
• Unable to set the cruise control to desired speed
• The wiring might be shorted or open
• Issue of blown fuse
• Broken cruise control system
• Malfunctioning commands

Looking out for some ways with the help of which you can correct this fault code? Then you have arrived at the correct place. We are here to help you out, so you must check out the steps mentioned below as follows:

• You must fix the defective electrical wiring
• Repair or replace the short or open circuits in the cruise control buttons
• Rehabilitate the defaults in the cruise control switch
• The malfunctioning fuse should be repaired or replaced as per the need
• Carefully adjust the faults in the cruise control system connectors

Don’t get tensed if you are still facing any of these issues as we care for our customers and that’s why we offer a good range of Engine Light, Straps, Injection, Ratchet Straps and a lot more. We are sure that now all your issues would be resolved.

It is essential to diagnose this fault code. Here are some steps which a mechanic should follow for diagnosing the problem that triggered a P056B code to be stored:

Check the cruise control switch/module, make sure the buttons and controls function properly. In many cases, buttons are missing, stuck in one position, or loose which is why it’s not making proper electrical connections. Dirt and particles that because contamination can also lead to problems. You should record all cruise control functions as well as their malfunctions.

If the cruise control light comes on in the instrument cluster when the cruise is manually activated, then it’s in good shape. If it does not, then verify if there’s a fuse. This information can be found in your vehicle’s service manual. Repair any blown fuse with a brand new one and the fuse which has been approved by the manufacturer.

Access the harness to the cruise control switch/module. In most cases, you would have to remove dash parts like the steering column, steering wheel, airbag, etc. To search the specific wire involved in the problem, you will need a proper wiring harness for your vehicle. This can vary significantly given many reasons. Again, refer to your service manual before executing this step.

Make sure your anti-lock brake system in good shape, and there are no ABS light on your dash. ABS use multiple sensors including speed sensors, which if it’s malfunctioning, could fool the computer into thinking the vehicle is going faster or slower than the real speed.

P056A - Cruise Control "Increase Distance" Signal