The steering wheel Clockspring is one of the most common problems for the P0593. The circuit inside the Clockspring failed causing an open circuit between the Speed Control Switch and the Powertrain Control Module (PCM).
Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P0593 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The Powertrain Control Module (PCM) monitors the Speed Control Switch 2. The Diagnostic Trouble Code (DTC) will be set when the PCM has detected that the speed control switch 2 is above the maximum acceptable voltage range.
Need more information on how to fix the P0593 code? Get Access to Factory Service Manuals
Get the P0593 code diagnosed by a professional: Find a repair shop in your area