Getting a HPD error after installing Curtis Controller

I’ve just installed a Curtis controller on my golf cart, and now I’m stuck with this annoying HPD error. It’s completely halted my cart’s operation. Has anyone else encountered this? How did you manage to fix it?


I faced a similar issue with my golf cart after a controller upgrade. For me, the solution was in the throttle settings. A bit of tweaking there, and the HPD error was history. My cart’s been running smoothly ever since.

Solutions that Worked for Users

SolutionUsers Who Found SuccessApprox. Cost (USD)Approx. Time Needed (Minutes)
Adjusting Throttle Settings2$0 – $2030 – 60
Replacing Controller1$100 – $30060 – 120
Wiring Adjustments1$0 – $5030 – 60


  • Persistent HPD error on the golf cart’s display.
  • The cart either doesn’t move or behaves erratically.
  • Throttle seems unresponsive or overly sensitive.

Possible Causes

  • Throttle settings misalignment or incorrect calibration.
  • Controller compatibility issues or internal faults.
  • Wiring connections not properly set up or loose.

Solutions that Worked

1. Adjusting Throttle Settings

What I Did: Fine-tuned the throttle settings on the Curtis controller.

Outcome: The HPD error disappeared, and the cart’s performance improved.

Personal Experience: Realized that the throttle input was misaligned, causing the HPD error. Adjusting the settings was a straightforward fix.


  1. Locate the throttle adjustment settings on your Curtis controller.
  2. Carefully modify the throttle input values for proper alignment.
  3. Conduct a test drive to ensure the error is resolved and the cart responds correctly.

Expert Tip: Regular checks and adjustments of throttle settings are crucial, especially after new installations. A digital multimeter can be handy for precise adjustments.

2. Replacing Controller

What I Did: Swapped out the existing Curtis controller for a new one.

Outcome: The cart began to operate normally without the HPD error.

Personal Experience: After several attempts at troubleshooting, replacing the controller proved to be the definitive solution.


  1. Identify a compatible replacement for your Curtis controller.
  2. Carefully remove the existing controller, noting all connections.
  3. Install the new controller, ensuring all connections are secure.
  4. Perform a thorough test to confirm the functionality of the new controller.

Expert Tip: Compatibility is key. Check the controller’s specifications against your cart’s model. Also, consider consulting a professional for complex installations.

3. Wiring Adjustments

What I Did: Reconfigured and secured the wiring connections to the controller.

Outcome: Successfully resolved the HPD error, enhancing the cart’s performance.

Personal Experience: Proper wiring was crucial in eliminating the HPD error.


  1. Inspect all wiring connections to the controller for correctness and security.
  2. Adjust any misaligned or loose wires and ensure all connections are tight.
  3. Test the cart extensively to check for any persisting errors or operational glitches.

Expert Tip: Use cable ties or electrical tape to secure connections and prevent vibration-induced loosening. A wiring diagram can be invaluable for ensuring accuracy.

Golf Cart Models Where This Worked

  • Various models equipped with Curtis controllers.
  • Specific model years were not detailed in user experiences.


Ernie loves documenting interesting facts about golf.

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