The Check Engine Light may Illuminate Erroneously on Jeep Wrangler

Problem Description and Possible Solution

"False" trouble codes may cause erroneous illumination of the Check Engine Light. Updating the PCM software can often correct this concern.

Problem Data
RepairPal Verified
Average mileage: 100,000 (100,000–100,000)
Drive Train affected: Manual Transmission
2 model years affected: 1999, 2000
4 people reported this problem