If you rely on your GMC’s power running boards to make getting in and out of your truck easier, facing problems with them can be frustrating. You might notice your running boards sticking, making strange noises, or just not moving at all.
These issues don’t just affect convenience—they can also signal deeper mechanical or electrical troubles that need attention. You’ll discover the most common GMC power running board problems, why they happen, and simple steps you can take to fix or prevent them.
Keep reading to make sure your running boards work smoothly every time you open your door.
Common Running Board Issues
GMC power running boards face several common problems that affect their performance. These issues often cause the boards to stop working or move irregularly. Understanding these problems helps in quick diagnosis and repair.
Running boards are exposed to harsh conditions like mud, salt, and debris. This exposure leads to mechanical and electrical failures. Below are the most frequent running board issues.
Seized Mechanical Linkages
Mechanical linkages move the running board in and out. Dirt, rust, and debris cause these parts to seize or stick. When seized, the board may stop halfway or not move at all. Regular cleaning and lubrication prevent this problem. Pressure washing and using penetrating oil help free stuck parts.
Stripped Motor Gears
The motor drives the running board’s movement using gears. Over time, these gears may strip from wear or overload. Stripped gears cause the motor to run without moving the board. This issue requires gear replacement or a new motor. Avoid forcing the board to prevent gear damage.
Faulty Rear-kick Sensors
Rear-kick sensors detect foot movement to deploy the running board automatically. Faulty sensors may cause the board not to deploy or retract unexpectedly. Dirt or water can damage sensor wiring or electronics. Cleaning sensors and checking connections restore their function.
Electrical Wiring Problems
Wiring connects the running board motor, sensors, and control units. Loose or damaged wires cause intermittent power or complete failure. Corrosion from moisture worsens wiring issues. Inspecting wiring harnesses and replacing damaged wires solve electrical problems. Secure connections prevent future faults.
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Causes Behind Frequent Failures
Frequent failures in GMC power running boards stem from multiple common causes. Understanding these helps in diagnosing and fixing the issues faster. Each problem affects the running board’s performance differently but often leads to malfunction or complete failure.
Exposure To Road Debris And Salt
Power running boards sit close to the ground, making them vulnerable to dirt, rocks, and salt. These materials get stuck in the hinges and joints. Over time, buildup causes parts to jam or seize, stopping smooth movement. Salt especially speeds up rust and corrosion, weakening metal components.
Cleaning debris regularly and rinsing off salt helps prevent damage. Ignoring this leads to frequent mechanical failures and costly repairs.
Wear And Tear Of Plastic Gears
Plastic gears inside the running boards wear down with repeated use. Constant motion and load cause teeth on the gears to strip or break. Once damaged, gears slip and fail to move the board properly. This results in the running board getting stuck or failing to deploy.
Replacing worn gears is essential for restoring normal operation. Using lubricants designed for plastic helps reduce wear over time.
Moisture Intrusion In Switches
Switches that control power running boards can fail from moisture getting inside. Water or condensation causes electrical shorts and corrosion on contacts. Faulty switches lead to unresponsive controls or erratic operation of the running boards.
Sealing switch housings and checking for leaks prevents moisture buildup. Drying and cleaning electrical parts can restore switch function in some cases.
Communication Errors With Body Control Module
The Body Control Module (BCM) manages the running boards’ actions. Communication errors between the BCM and running board motors cause failure. Faulty wiring, damaged connectors, or software glitches disrupt signals.
Diagnosing wiring and resetting the BCM often resolves these errors. Ensuring tight connections and updated software helps maintain proper communication.
Quick Fixes For Mechanical Problems
Mechanical issues with GMC power running boards often cause frustration. Quick fixes help restore function without costly repairs. Simple maintenance can prevent many common problems. Focus on hinges, motors, and articulating parts for best results.
Cleaning And Lubricating Hinges
Dirt and rust build-up cause hinges to stick. Use a soft brush to remove debris first. Then spray a lubricant made for metal joints. Work the hinges by hand to spread the lubricant evenly. This reduces friction and helps the board move smoothly again.
Replacing Motor And Bracket Assembly
A worn-out motor or broken bracket stops the board from moving. Remove the old motor and bracket carefully. Match the new parts exactly to your GMC model. Install the new motor and bracket securely. Test the board several times to ensure proper operation.
Pressure Washing Articulating Hinges
Articulating hinges often trap mud and salt under the vehicle. Use a pressure washer to clean these parts thoroughly. Be sure to avoid spraying electrical components directly. After washing, let the hinges dry completely. Apply lubricant to prevent rust and sticking.
Electrical Troubleshooting Steps
Electrical issues often cause GMC power running boards to stop working. These boards rely on electrical systems to deploy and retract smoothly. Troubleshooting involves simple steps that anyone can do without special tools. Start by isolating the problem to avoid unnecessary repairs. Follow these steps to check and fix common electrical faults.
Resetting Through Infotainment System
Many GMC models let you reset power running boards via the infotainment screen. Navigate to the vehicle settings menu. Find the power step or running board option. Select the reset or recalibrate feature. This action often clears minor glitches. The boards may retract and extend to complete the reset. Wait for the process to finish before testing.
Checking And Replacing Fuses
Fuses protect electrical circuits from damage. Locate the fuse box under the dashboard or hood. Use the owner’s manual to find the fuse for power running boards. Remove the fuse carefully and inspect it. A blown fuse has a broken wire inside. Replace it with a fuse of the same rating. Test the running boards after replacing the fuse.
Inspecting And Unplugging Kick Switch
The kick switch triggers the running boards to deploy. Dirt or damage can cause it to fail. Locate the kick switch near the rear wheel well. Unplug the switch connector to check for corrosion or loose wires. Clean the contacts with electrical cleaner if dirty. Reconnect it firmly. If the switch is faulty, replace it to restore function.
Verifying Vehicle Settings For Power Steps
Power running boards may be disabled in vehicle settings. Access the settings menu through the infotainment system. Look for power step or running board options. Ensure the feature is turned on. Some models allow automatic deployment settings. Adjust these to your preference. Save the settings and test the running boards again.
Preventive Maintenance Tips
Preventive maintenance helps keep GMC power running boards working smoothly. Regular care prevents common problems like rust, sensor failure, and wiring damage. Simple steps save costly repairs and extend the life of your running boards.
Regular Cleaning To Avoid Rust
Road dirt and salt cause rust on running boards. Clean the boards and hinges often. Use water and mild soap to remove grime. Avoid harsh chemicals that damage paint or metal. Dry the parts completely after washing to stop rust from forming.
Lubrication Schedules
Moving parts need regular lubrication to avoid seizing. Apply lubricant to hinges, joints, and linkages every few months. Use a penetrating oil or grease recommended for automotive parts. Proper lubrication keeps mechanisms moving freely and reduces wear.
Protecting Sensors From Moisture
Moisture can damage sensors that control running boards. Keep sensors dry and clean to maintain proper function. Check sensor covers for cracks or gaps. Replace damaged covers to prevent water entry. Avoid spraying water directly on sensor areas during cleaning.
Inspecting Wiring For Damage
Wiring problems cause power running boards to fail. Inspect wires regularly for cuts, frays, or loose connections. Secure any loose wires with clips or ties. Replace damaged wiring promptly to avoid electrical shorts. A clean wiring system ensures reliable power to the boards.
Diy Repair Guides
DIY repair guides help GMC owners fix power running board issues at home. These boards face problems like motor failure, sensor glitches, and stuck hinges. Following clear steps saves time and money. Simple tools and patience make repairs easier. This section covers four key DIY fixes to keep running boards working smoothly.
Step-by-step Motor Replacement
First, disconnect the vehicle battery for safety. Remove the power running board by unscrewing mounting bolts. Locate the motor attached to the board’s hinge mechanism. Unplug the motor’s electrical connector carefully. Unscrew the motor from its bracket. Install the new motor by reversing the removal steps. Reconnect the electrical plug and tighten all bolts. Finally, reconnect the battery and test the running board operation.
How To Reset Power Running Boards
Start by turning the ignition on without starting the engine. Locate the fuse box under the dashboard or hood. Find the fuse labeled for power running boards. Remove the fuse and wait 30 seconds. Reinsert the fuse securely. Turn off the ignition and then start the vehicle. The system should reset, allowing the boards to calibrate and operate properly.
Disabling Running Boards Via Infotainment
Access the vehicle’s infotainment system from the dashboard. Navigate to the settings menu. Select the vehicle or convenience settings option. Find the power running boards control. Use the toggle switch to disable the running boards temporarily. This stops deployment for cleaning or troubleshooting. Reactivate the boards by reversing the toggle switch.
Cleaning Hinges Without A Mechanic
Fully extend the power running boards. Use a pressure washer or hose to remove dirt and debris. Dry the hinges completely with a cloth. Spray a penetrating lubricant like PB Blaster into all hinge joints. Work the lubricant in by manually moving the boards gently. Wipe off excess lubricant to prevent dirt buildup. Regular cleaning prevents jams and extends board life.
When To Seek Professional Help
Knowing when to seek professional help for GMC power running board problems saves time and money. Some issues look simple but need expert diagnosis. Identifying critical signs prevents further damage and ensures safety. This section guides you on when to call a professional for repairs.
Persistent Electrical Issues
Repeated electrical failures often signal deeper problems. Flickering lights or boards that stop working after resets require expert testing. Professionals use specialized tools to find hidden faults in circuits or control modules. Ignoring electrical issues may cause system failure or battery drain.
Severe Mechanical Damage
Visible damage like bent brackets or broken gears needs professional attention. Attempting repairs without the right tools can worsen the problem. Experts have experience with power board components and can replace damaged parts safely. Severe damage might affect board movement or vehicle safety.
Complex Wiring Repairs
Wiring problems can be hard to trace and fix. Professionals carefully inspect wiring harnesses and connectors for shorts or corrosion. Proper wiring repair ensures the running board functions smoothly and prevents electrical hazards. DIY wiring fixes often lead to poor connections or further faults.
Warranty And Service Options
Many GMC power running boards come with warranties covering repairs. Professionals know how to handle warranty claims and use genuine parts. Visiting authorized service centers preserves warranty coverage and ensures quality repairs. Service options may include inspections, maintenance, or full part replacements.
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Frequently Asked Questions
How To Reset Power Retractable Running Board?
To reset power retractable running boards, fully lower the boards or disable them in settings. Clean and lubricate hinges. Check and replace blown fuses or faulty sensors. If problems persist, inspect wiring and consider motor replacement. Always follow the vehicle’s manual for specific reset procedures.
What Is The Biggest Problem With Gmc Trucks?
The biggest problem with GMC trucks is power running board failures due to seized linkages, stripped gears, or faulty sensors. Road debris and moisture cause these issues. Regular cleaning, lubrication, and occasional motor or switch replacement fix the problem. Wiring or control module errors can also affect operation.
Why Did My Power Steps Stop Working?
Power steps stop working due to seized linkages, faulty sensors, stripped gears, blown fuses, or wiring issues. Clean, lubricate, check fuses, or replace damaged parts.
What’s The Worst Year For A Gmc Sierra 1500?
The worst year for a GMC Sierra 1500 is often cited as 2014 due to frequent transmission and electrical issues. Some owners report engine problems and power running board failures. Maintenance and repairs can be costly, making this model less reliable compared to others.
What Causes Gmc Power Running Boards To Stop Working?
GMC power running boards often stop due to seized linkages or stuck sensors. Dirt, rust, or debris can block the moving parts. Regular cleaning and lubrication help prevent these issues.
Conclusion
GMC power running boards can face issues like stuck hinges and worn gears. Dirt and rust often cause these problems. Regular cleaning and lubrication help keep them working smoothly. Sometimes, motors or sensors need replacement to fix persistent faults. Checking fuses and resetting the system might solve minor glitches.
Understanding these common troubles helps you maintain your boards better. Keep an eye on them to avoid sudden failures. Proper care extends the life of your GMC power running boards. Stay proactive and enjoy easier vehicle access every day.