A “small number” of 2013-2014 Dodge Darts equipped with a 2.4L engine and built on or before Feb. 14, 2014, may experience a MIL on with DTC P2251 (O2 sensor 1/1 negative current control circuit open).
A “small number” of 2013-2014 Dodge Darts equipped with a 2.4L engine and built on or before Feb. 14, 2014, may experience a MIL on with DTC P2251 (O2 sensor 1/1 negative current control circuit open).
Using a scan tool (wiTECH) verify that all engine systems are functioning as designed. If DTCs other than P2251 are stored, record and repair as needed before proceeding further.
Install a battery charger to ensure that battery voltage does not drop below 13.2 volts or rise above 13.5 volts during the flash process.
Reprogram the PCM with the latest software Follow the detailed procedures available in DealerCONNECT/TechCONNECT, Group 8 – Electrical > Electronic Control Modules – Service Information > Module – Powertrain Control > Standard Procedures > PCM/ECM Programming.
After PCM reprogramming, clear any DTCs that may have set n other modules.
The expected completion time for the flash download portion of this procedure is about 15 minutes.
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