Having problems with your 1999 Jeep Cherokee ?
My CEL is on, my code reader reads no codes, sees no live data for any sensor. the jeep seems to run okay, is ecu bad?
Sometimes the code reader will not read the Mopar/Jeep codes. This is different system, CAN system. Drive to your local AutoZone to get your codes from your ECU/ECM.
Repair Help & Product Troubleshooting for 1999 Jeep Cherokee
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