Jeep P1593: Speed Control Switch 1/2 Stuck

Is your scanner showing Jeep P1593?
No worries. We'll show you what it means and how to deal with it.

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Jeep P1593: Speed Control Switch 1/2 Stuck

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What Does The Jeep P1593 Code Mean?

The vehicle operator controls all speed control system features through the speed control switch pod on the face of the right horizontal spoke of the steering wheel. When a push button of the switch pod is depressed, it provides a hard wired resistor multiplexed analog input to the Body Control Module (BCM). The BCM is a gateway to the Controller Area Network (CAN) data bus and not only reads the hard wired speed control switch and stop (brake) lamp switch inputs, but also relays these inputs to the Powertrain Control Module (PCM) over the CAN bus.

What Are The Potential Causes Of The Jeep P1593 Code?

  • CAN BUS failure
  • Speed control switch

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> 12V Auto Waterproof Fuse Relay Box Block Kit
>>> Jeep Cruise Control Switch

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

Jeep Grand Cherokee WK– 2005, pp. 9-801 – 9-816.

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