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 Jeep Cherokee Limited, RWDFACTORY OEM SERVICE PROCEDURE
Powertrain Verification Test VER-1
NOTE:
If Powertrain Control Module (PCM) has been replaced and correct Vehicle Identification Number (VIN) and mileage have not be entered into new PCM, Diagnostic Trouble Codes (DTC) will set in Anti-lock Brake System (ABS), Air Bag Control Module (ACM) and Sentry Key Immobilizer Module (SKIM). Secret key data must be updated prior to starting vehicle. See PROGRAMMING
.
- Inspect vehicle to ensure all engine components are connected. Reassemble and reconnect components as necessary. Check engine oil for fuel contamination. Change oil and filter if necessary.
- Start engine and allow to run until operating temperature is reached. Using scan tool, ensure no DTCs have reset. If any DTCs reset, check for Technical Service Bulletins (TSB). If different DTCs set, perform appropriate test in accordance with DTC retrieved. See DIAGNOSTIC TROUBLE CODE DEFINITIONS table under SELF-DIAGNOSTIC SYSTEM. If DTCs do not exist, repair is complete. If no DTCs are set, repair is complete.
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.