# P014B on the 2026 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 P014B

- [11038313](https://open.wenmarpro.com/bulletins/11038313), 2026-10-07: Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0111\-00 \- Intake Air Temperature Sensor 1 Circuit Performance \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance ● P0E7E\-00 \- Coolant Bypass Valve B Control Circuit \(In Active or Stored status\) ● P2AF6\-00 \- Starter Relay 3 Stuck Off \(with PCR\). ● P00FD \- Battery B State Of Charge Performance. ● P013F\-00 \- O2 Sensor 2/1 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P014A\-00 \- O2 Sensor 2/2 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P013E\-00 \- O2 Sensor 2/1 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P014B\-00 \- O2 Sensor 2/2 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off.\(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P2C90\-00 \- Crankcase Ventilation System \- Hose "A" Disconnected. \(In Active or Stored status\) ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \(In Active or Stored status\) ● U0673\-00 \- Lost Communication With Ion Sense Module. \(In Active or Stored status\) Customers may also comment on one or more of the following: ● High Elevation misfire. Electronic Start Stop \(ESS\) inoperative or "Auto Stop/Start Not Ready" message displayed in the Instrument Panel Cluster \(IPC\). NOTE: \*\*Normal Auto Stop/Start inhibit conditions should not be considered the cause of this concern. The condition is associated with DTC P2AF6.\*\* ● "Door Ajar" message on when door is closed. ● BSCM MIL illumination request not setting the MIL in the PCM High oil level indicator illuminated on the IPC. \*\*The following software enhancements are now available: ● Improvements to prevent misfire DTCs P0300\-P0306 that may set if one of the following DTCs set: ○ P0335\-00 \- Crankshaft Position Sensor Circuit. ○ P0336\-00 \- Crankshaft Position Sensor Performance.\*\* This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
- [11035325](https://open.wenmarpro.com/bulletins/11035325), 2026-07-29: Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P0111\-00 \- Intake Air Temperature Sensor 1 Circuit Performance \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance ● P0E7E\-00 \- Coolant Bypass Valve B Control Circuit \(In Active or Stored status\)\*\* ● P2AF6\-00 \- Starter Relay 3 Stuck Off \(with PCR\). ● P00FD \- Battery B State Of Charge Performance. ● P013F\-00 \- O2 Sensor 2/1 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P014A\-00 \- O2 Sensor 2/2 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P013E\-00 \- O2 Sensor 2/1 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P014B\-00 \- O2 Sensor 2/2 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off.\(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P2C90\-00 \- Crankcase Ventilation System \- Hose "A" Disconnected. \(In Active or Stored status\) ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \(In Active or Storedstatus\) ● U0673\-00 \- Lost Communication With Ion Sense Module.\(In Active or Stored status\) Customers may also comment on one or more of the following: ● \*\*High Elevation misfire. ● Electronic Start Stop \(ESS\) inoperative. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
- [11033874](https://open.wenmarpro.com/bulletins/11033874), 2026-06-16: Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P2AF6\-00 \- Starter Relay 3 Stuck Off \(with PCR\). ● P00FD \- Battery B State Of Charge Performance.\*\* ● P013F\-00 \- O2 Sensor 2/1 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P014A\-00 \- O2 Sensor 2/2 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P013E\-00 \- O2 Sensor 2/1 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P014B\-00 \- O2 Sensor 2/2 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off.\(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P2C90\-00 \- Crankcase Ventilation System \- Hose "A" Disconnected. \(In Active or Stored status\) ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \(In Active or Stored status\) ● U0673\-00 \- Lost Communication With Ion Sense Module.\(In Active or Stored status\) Customers may also comment on the following: ● \*\*MIL on start\-up with no vehicle drivability impact.\*\* ● Rough running engine. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
- [11028766](https://open.wenmarpro.com/bulletins/11028766), 2026-02-12: Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● \*\*P013F\-00 \- O2 Sensor 2/1 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P014A\-00 \- O2 Sensor 2/2 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\) ● P013E\-00 \- O2 Sensor 2/1 Delayed Response \- Rich to Lean Bank. \(In Active or Stored status\)\*\* ● P014B\-00 \- O2 Sensor 2/2 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off.\(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P2C90\-00 \- Crankcase Ventilation System \- Hose "A" Disconnected. \(In Active or Stored status\) ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \(In Active or Stored status\) ● U0673\-00 \- Lost Communication With Ion Sense Module.\(In Active or Stored status\) Customers may also comment on the following: ● Rough running engine. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
- [11024566](https://open.wenmarpro.com/bulletins/11024566), 2025-10-29: Flash: Powertrain Control Module \(PCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P014B\-00 \- O2 Sensor 2/2 Delayed Response \- Lean To Rich Bank. \(In Active or Stored status\) ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off. \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P2C90\-00 \- Crankcase Ventilation System \- Hose "A" Disconnected. \(In Active or Stored status\) ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \(In Active or Stored status\) ● U0673\-00 \- Lost Communication With Ion Sense Module. \(In Active or Stored status\) Customers may also comment on the following: ● Rough running engine This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.