Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Plymouth Neon Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Programming PCM
- Connect scan tool to Data Link Connector (DLC). DLC is located below driver's side of instrument panel. See Figure .
- Using scan tool, select THEFT ALARM, SKIM then MISC. Select PCM REPLACED. Obtain 4-digit Personal Identification Number (PIN) from vehicle owner or manufacturer.NOTE: If 3 attempts are made incorrectly to enter PIN, secured access mode will be locked out for one hour. To exit lock out mode, leave ignition switch in ON position for one hour. Ensure battery voltage is maintained with battery charger, if necessary.
- Enter secured access mode by entering PIN code for vehicle. Select ENTER to update PCM VIN. SKIM will now send secret key data to PCM.
- Select BACK to go to SELECT SYSTEM menu. Select ENGINE, MISC then SRI MEMORY CHECK. Scan tool will display IS ODOMETER READING BETWEEN XX AND XX?
- Select YES or NO. If NO is selected, scan tool will display ENTER ODOMETER READING. Enter odometer reading from instrument panel and press ENTER.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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