# P0073 on the 2021 Ram 4500

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 P0073

- [11030229](https://open.wenmarpro.com/bulletins/11030229), 2026-03-25: 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 Range Performance Bank 1. \(In Active or Stored status\) ● P0071\-00 \- Ambient Air Temperature Sensor Performance. \(In Active or Stored status\) ● P0072\-00 \- Ambient Air Temperature Sensor Circuit "A" Low. \(In Active or Stored status\) ● P0073\-00 \- Ambient Air Temperature Sensor Circuit "A" High. \(In Active or Stored status\) ● P0011\-00 \- Bank 1 Camshaft 1 Position Timing Over Advanced Or. \(In Active or Stored status\) ● P25E4\-00 \- B Camshaft Position \- Unable To Achieve Locked Position Bank 1. \(In Active or Stored status\) ● P05BD\-00 \- Stop\-Start Mode Switch Range/Performance. \(In Active or Stored status\) ● P0116\-00 \- Engine Coolant Temperature Sensor 1 Performance. \(In Active or Stored status\) ● P062B\-00 \- Internal Control Module Fuel Injector Control Performance. \(In Active or Stored status\) ● P0604\-00 \- Internal Control Module Random Access Memory Ram Error. \(In Active or Stored status\) ● P060C\-00 \- Internal Control Module Main Processor Performance. \(In Active or Stored status\)\*\* ● P018B\-00 \- Fuel Pressure Sensor "B" Circuit Range/performance. \*\*\(In Active or Stored status\)\*\* ● P1CEA\-00 \- Boost Side EVAP Purge System Performance. \*\*\(In Active or Stored status\)\*\* ● P06DD\-00 \- Engine Oil Pressure Control Circuit Performance/Stuck Off. \*\*\(In Active or Stored status\)\*\* ● P00C6\-00 \- Fuel Rail Pressure Too Low \- Engine Cranking. \*\*\(In Active or Stored status\)\*\* ● P0300\-00 \- Multiple Cylinder Misfire. \*\*\(In Active or Stored status\)\*\* Customers may also experience one or more of the following: ● \*\*Oil Level High Warning in the Instrument Panel Cluster \(IPC\).\*\* ● Fully Autonomous Parking Assist \(FAPA\) is not deactivated when accelerator pedal is pressed. ● Vehicle is not heating up fast enough at freezi
- [10236873](https://open.wenmarpro.com/bulletins/10236873), 2023-05-30: Ambient Air Temperature Missing, Malfunction Indicator Lamp \(MIL\) Lamp On, Diagnostic Trouble Code \(DTC\) P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
- [10229491](https://open.wenmarpro.com/bulletins/10229491), 2023-01-09: Ambient Air Temperature Missing, Malfunction Indicator Lamp \(MIL\) Lamp On, Diagnostic Trouble Code \(DTC\) P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
- [10229078](https://open.wenmarpro.com/bulletins/10229078), 2023-01-09: Ambient Air Temperature Missing, MIL Lamp On, DTC P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
- [10225350](https://open.wenmarpro.com/bulletins/10225350), 2022-10-31: Ambient Air Temperature Missing, Malfunction Indicator Lamp \(MIL\) Lamp On, Diagnostic Trouble Code \(DTC\) P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
- [10225213](https://open.wenmarpro.com/bulletins/10225213), 2022-10-31: Ambient Air Temperature Missing, Malfunction Indicator Lamp \(MIL\) Lamp On, Diagnostic Trouble Code \(DTC\) P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
- [10223116](https://open.wenmarpro.com/bulletins/10223116), 2022-10-17: Ambient Air Temperature Missing, MIL Lamp On, DTC P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
- [10220734](https://open.wenmarpro.com/bulletins/10220734), 2022-09-26: Ambient Air Temperature Missing, MIL Lamp On, DTC P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
- [10212337](https://open.wenmarpro.com/bulletins/10212337), 2022-05-31: Ambient Air Temperature Missing, MIL Lamp On, DTC P0070\-15 Ambient Air Temperature Sensor Circuit\-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High