Set Condition

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) detects that the sum of the short term and long term fuel corrections is less than a calibrated threshold, generally 67% (100% is nominal), the fail timer will increment. After 30 seconds of fail time the diagnostic fails.