# P208B on the 2020 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 P208B

- [10231770](https://open.wenmarpro.com/bulletins/10231770), 2023-02-13: Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: \*\*P2183 \- Engine Coolant Temperature Sensor 2 Circuit Performance. P016F \- Closed Loop Fuel Pressure Control At Limit \- Pressure Too Low. P025C \- Fuel Pump Module Control Circuit Low. P208B \- Reductant Pump 1 Control Performance. P0403\-00 \- EGR Control Circuit Open ? Disabled Fault.\*\* P225D\-00 \- NOX Sensor 1/1 Performance Signal Stuck Low. P249C\-00 \- Excessive Time To Enter Closed Loop Reductant Injection Control. P065A \- Generator System Performance. P00F4\-00 \- Humidity Sensor Circuit Low. P20FB\-00 \- Reductant Pump 2 Control Performance. P200A\-00 \- Intake Manifold Runner Performance Bank 1. P200B\-00 \- Intake Manifold Runner Performance Bank 2. P2610 \- PCM Internal Engine Off Timer Performance. P015E \- Excessive Time to Enter Closed Loop Fuel Timing Control. P0534\-00 \- AC Refrigerant System A Charge Loss. P26FB\-00 \- EGR Cooler Bypass Control Stuck Closed Bank 1. P04DB\-00 \- Crankcase Ventilation System Disconnected. P204F\-00 \- Reductant System Performance. P2D2D\-00 \- Cold Start Intake Manifold Runner Performance Bank 1. P2D2E\-00 \- Cold Start Intake Manifold Runner Performance Bank 2. P2199\-00 \- Intake Air Temperature Sensor 1/2 Correlation. P22FA\-00 \- NOX Sensor Performance Slow Response High To Low Bank 1 Sensor 1. P2002\-00 \- Diesel Particulate Filter Efficiency Below Threshold. P0087\-00 \- Fuel Rail Pressure Too Low. P0128\-00 \- Thermostat Rationality \(additional software enhancement\). P0300\-00 \- Multiple Cylinder Misfire \(cold ambient temperature\). P0301\-00 \- Cylinder 1 Misfire \(cold ambient temperature\). P0302\-00 \- Cylinder 2 Misfire \(cold ambient temperature\). P0303\-00 \- Cylinder 3 Misfire \(cold ambient temperature\). P0304\-00 \- Cylinder 4 Misfire \(cold ambient temperature\). P0305\-00 \- Cylinder 5 Misfire \(cold amb
- [10230204](https://open.wenmarpro.com/bulletins/10230204), 2023-01-17: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
- [10224029](https://open.wenmarpro.com/bulletins/10224029), 2022-10-17: \(Rev. B\) Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- [10221819](https://open.wenmarpro.com/bulletins/10221819), 2022-09-26: \(Revision A\) Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- [10221618](https://open.wenmarpro.com/bulletins/10221618), 2022-09-26: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
- [10214560](https://open.wenmarpro.com/bulletins/10214560), 2022-06-27: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
- [10184706](https://open.wenmarpro.com/bulletins/10184706), 2020-12-28: \(Rev. B\) Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- [10184406](https://open.wenmarpro.com/bulletins/10184406), 2020-12-21: \(Rev. B\) Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- [10180209](https://open.wenmarpro.com/bulletins/10180209), 2020-09-28: \(Revision A\) Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.
- [10176524](https://open.wenmarpro.com/bulletins/10176524), 2020-06-22: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P20E8 ? Reductant Pressure Too Low and/or P208B ? Reductant Pump 1 Control Performance Set.