Engine-CodesCadillac – P1801 Cadillac

P1801 Cadillac Code - Performance Selector Switch Failure

Quick Answer

The P1801 Cadillac code indicates a performance selector switch failure in the vehicle. Common causes include Electrical issues such as a faulty wiring connection or short circuit, Mechanical damage to the performance selector switch, Corrosion or contamination affecting the switch's functionality. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1801 Cadillac indicates Performance Selector Switch Failure.
Common causes
Common causes include Electrical issues such as a faulty wiring connection or short circuit, Mechanical damage to the performance selector switch, Corrosion or contamination affecting the switch's functionality.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 09, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P1801 Cadillac Description

The P1801 Cadillac code indicates a performance selector switch failure in the vehicle. This switch is responsible for controlling the transmission's gear selection and can have a significant impact on the vehicle's overall performance. When this switch fails, it can lead to issues with shifting gears, which can affect the vehicle's acceleration, fuel efficiency, and overall drivability.

OBDII Code P1801 Cadillac - Performance Selector Switch Failure
P1801 Cadillac Code - Performance Selector Switch Failure

Common Causes of P1801 Cadillac

  1. Electrical issues such as a faulty wiring connection or short circuit
  2. Mechanical damage to the performance selector switch
  3. Corrosion or contamination affecting the switch's functionality
  4. Software issues or a malfunctioning control module
  5. Wear and tear over time leading to switch failure

Symptoms of P1801 Cadillac

  1. Rough shifting or difficulty shifting gears
  2. Delayed response when accelerating
  3. Inability to shift gears
  4. Check engine light illuminated
  5. Vehicle not moving despite the engine running

How to Fix P1801 Cadillac

  1. Begin by diagnosing the specific cause of the performance selector switch failure using a diagnostic scan tool.
  2. Inspect the wiring connections and switch for any damage or corrosion, repairing or replacing as necessary.
  3. Test the switch's functionality and replace it if it is found to be faulty.
  4. Clear the diagnostic trouble codes and reset the vehicle's computer system to ensure the issue has been resolved.
  5. Test drive the vehicle to confirm that the performance selector switch is now functioning correctly and that the symptoms have been resolved.

Cost to Fix P1801 Cadillac

The cost of repairing a performance selector switch failure can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the parts for this repair typically range from $150 to $300, with the labor costs adding an additional $100 to $200. Overall, the total repair cost for this issue can range from $250 to $500. It is important to note that these are rough estimates, and actual costs may vary based on the location, vehicle make and model, and labor rates at the auto repair shop. It is recommended to obtain a detailed quote from a trusted mechanic before proceeding with the repair.

Need more information about the P1801 Cadillac code?

Need more information on how to fix the P1801 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1801 Cadillac code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1801 Cadillac Code

No Frequently Asked Questions about P1801 Cadillac Code found.

Discuss the causes and fixes for P1801 Cadillac OBDII Code

Code P1801 Cadillac comments

No comments found for this page.