# P245B on the 2018 Ram 1500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P245B

- [10223583](https://open.wenmarpro.com/bulletins/10223583), 2022-10-17: Improperly Installed Exhaust Gas Recirculation \(EGR\) Valve This bulletin involves removing and inspecting the vacuum tube, EGR tube gaskets, tube flange mounting bolts and possibly replacing the EGR tube gaskets and torquing the flange bolts. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set:P245B \- EGR\-Cooler\-Bypass\-Control\-Circuit\-Performance. The customer may also notice one or more of the following:An exhaust smell in the cabin. A whistle noise coming from the engine compartment.
- [10221888](https://open.wenmarpro.com/bulletins/10221888), 2022-09-26: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\):P0133\-00 \- O2 Sensor 1/1 Slow Response. P20EE\-00 \- SCR NOX Catalyst Efficiency Below Threshold Bank 1. P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. U0402\-00 \- Implausible Data Received From TCM. P0299\-00 \- Turbocharger Underboost Condition. P0402\-00 \- EGR Flow Excessive Detected. P249C\-00 \- Excessive Time To Enter Closed Loop Reductant Injection Control. P208B\-00 \- Reductant Pump 1 Control Performance. P20C6\-00 \- Reductant Heater 4 Control Circuit Performance. P245B\-00 \- EGR Cooler Bypass Control Circuit Performance. Other software enhancement.Ability to enable the ?Fuel System Cleaning? routine in wiTECH.
- [10181622](https://open.wenmarpro.com/bulletins/10181622), 2020-10-26: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find oneor more of the following Diagnostic Trouble Codes \(DTCs\):P0133\-00 \- O2 Sensor 1/1 Slow Response. P20EE\-00 \- SCR NOX Catalyst Efficiency Below Threshold Bank 1. P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. U0402\-00 \- Implausible Data Received From TCM. P0299\-00 \- Turbocharger Underboost Condition. P0402\-00 \- EGR Flow Excessive Detected. P249C\-00 \- Excessive Time To Enter Closed Loop Reductant Injection Control. P208B\-00 \- Reductant Pump 1 Control Performance. P20C6\-00 \- Reductant Heater 4 Control Circuit Performance. P245B\-00 \- EGR Cooler Bypass Control Circuit Performance. In addition, customers may experience the following concern:Some vehicles may have experienced a slight engine hesitation or lag inacceleration from engine startup until the engine and exhaust warmed up. This update is intended to reduce the hesitation or lag in accelerationfrom engine startup. Other software enhancement.Ability to enable the ?Fuel System Cleaning? routine in wiTECH.
- [10180278](https://open.wenmarpro.com/bulletins/10180278), 2020-09-28: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\):P0133\-00 \- O2 Sensor 1/1 Slow Response. P20EE\-00 \- SCR NOX Catalyst Efficiency Below Threshold Bank 1. P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. U0402\-00 \- Implausible Data Received From TCM. P0299\-00 \- Turbocharger Underboost Condition. P0402\-00 \- EGR Flow Excessive Detected. P249C\-00 \- Excessive Time To Enter Closed Loop Reductant Injection Control. P208B\-00 \- Reductant Pump 1 Control Performance. P20C6\-00 \- Reductant Heater 4 Control Circuit Performance. P245B\-00 \- EGR Cooler Bypass Control Circuit Performance. Other software enhancement.Ability to enable the ?Fuel System Cleaning? routine in wiTECH.
- [10177528](https://open.wenmarpro.com/bulletins/10177528), 2020-07-27: Improperly Installed Exhaust Gas Recirculation \(EGR\) Valve This bulletin involves removing and inspecting the vacuum tube, EGR tube gaskets, tube flange mounting bolts and possibly replacing the EGR tube gaskets and torquing the flange bolts. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code \(DTC\) has been set:P245B \- EGR\-Cooler\-Bypass\-Control\-Circuit\-Performance. The customer may also notice one or more of the following:An exhaust smell in the cabin. A whistle noise coming from the engine compartment.