T here is a TSB on that code for a ECM Reflash
NUMBER: 18-028-06
GROUP: Vehicle Performance
DATE: September 15, 2006
SUBJECT:Flash: MIL Activation For Downstream Fuel Trim - DTC's P2096 or P2098
OVERVIEW: This bulletin involves selectively erasing and reprogramming the Powertrain Control
Module (PCM) with new software.
MODELS: 2005 (TJ) Wrangler
NOTE: This bulletin applies to vehicles equipped with a 4.0L engine (sales code
ERH).
SYMPTOM/CONDITION: The Malfunction Indicator Lamp (MIL) is illuminated and Diagnostic Trouble Codes (DTC's)
P2096 or P2098 are stored.
DIAGNOSIS: Using a Scan Tool (DRBIII®) with the appropriate Diagnostic Procedures available in
TechCONNECT, verify all engine systems are functioning as designed. If DTCs other than
P2096 or P2098 are present record them on the repair order and repair as necessary
before proceeding further with this bulletin, then perform the Repair Procedure.
Also make sure you don't have any exhaust leaks that may be skewing your O2 readings.
