Chrysler Error Code P1597: How to Fix It

Medium 1-2 hours Low Severity Verified June 2026
Error Code
P1597
Brand
Chrysler
Product Type
automotive
Severity
Low
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
Error code P1597 in your Chrysler indicates a problem with the speed control (cruise control) switch circuit that is either open or shorted. This typically means the cruise control switch has failed, there's a wiring issue, or a connection problem in the steering wheel area.
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Tools You'll Need

How to Fix Error Code P1597

  1. Scan and Clear Codes

    Always park on level ground with the parking brake engaged before performing diagnostics.
  2. Check Cruise Control Operation

    Only test cruise control in safe driving conditions with light traffic.
  3. Inspect Steering Wheel Wiring

    Disconnect the battery negative terminal and wait 10 minutes before working near the airbag system to prevent accidental deployment.
  4. Test Switch Continuity

  5. Check Wiring Harness

  6. Replace Faulty Components

    Ensure all airbag system connectors are properly seated before reconnecting the battery.
  7. Clear Codes and Test

Parts You May Need

Cruise control switch assembly
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Automotive electrical wire
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Electrical connectors
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Cruise control switch assembly
Check Price on Amazon
Automotive electrical wire
Check Price on Amazon
Electrical connectors
Check Price on Amazon
Cruise control switch assembly
Check Price on Amazon
Automotive electrical wire
Check Price on Amazon
Electrical connectors
Check Price on Amazon
Cruise control switch assembly
Check Price on Amazon
Automotive electrical wire
Check Price on Amazon
Electrical connectors
Check Price on Amazon
Cruise control switch assembly
Check Price on Amazon
Automotive electrical wire
Check Price on Amazon
Electrical connectors
Check Price on Amazon
Cruise control switch assembly
Check Price on Amazon
Automotive electrical wire
Check Price on Amazon
Electrical connectors
Check Price on Amazon
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When to Call a Professional

Call a professional mechanic if you're uncomfortable working around airbag systems, if the wiring damage is extensive throughout the steering column, or if the problem persists after replacing the switches and checking all wiring connections.

Frequently Asked Questions

Can I still drive my Chrysler with error code P1597?
Yes, you can safely drive your vehicle with P1597. This code only affects cruise control functionality and won't impact engine performance, braking, or steering. However, your cruise control system will not work until the issue is resolved.
How much does it cost to fix Chrysler P1597 error code?
Repair costs typically range from $100-400 depending on the cause. A cruise control switch replacement costs $50-150 for parts plus labor. If extensive wiring repair is needed, costs can be higher due to additional labor time.
What causes Chrysler cruise control switch to fail?
Common causes include normal wear from frequent use, exposure to moisture or spills on the steering wheel, electrical shorts from damaged wiring, and age-related deterioration of switch contacts. Cold weather can also cause temporary switch failures.
Will P1597 code cause my Chrysler to fail inspection?
In most states, P1597 will not cause an emissions test failure since it's not related to emissions controls. However, some states may fail vehicles for any stored diagnostic trouble codes, so check your local inspection requirements.
How do I prevent cruise control switch problems in my Chrysler?
Keep the steering wheel clean and dry, avoid using excessive force when pressing cruise control buttons, and have your vehicle's electrical system inspected during regular maintenance. Address any steering wheel electrical issues promptly to prevent further damage.