# P0456 on the 2015 Jeep Wrangler

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 P0456

- [10236933](https://open.wenmarpro.com/bulletins/10236933), 2023-05-30: wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK
- [10220071](https://open.wenmarpro.com/bulletins/10220071), 2022-09-15: wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK
- [10218289](https://open.wenmarpro.com/bulletins/10218289), 2022-08-22: Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes \(DTCs\) have been set: · \*\*P0335 \- Crankshaft Position Sensor Circuit. · P0306 \- Cylinder 6 Misfire \(Automatic Transmissions only\). · P0456 \- EVAP System Small Leak \(3.6L Engine Sales Code ERB only\).\*\* · U0140 \- Lost Communication With Body Control Module.
- [10169219](https://open.wenmarpro.com/bulletins/10169219), 2019-12-16: wiTECH Small Leak Verification Test \(SLVT\) \- P0456\-EVAP SYSTEM SMALL LEAK
- [10140181](https://open.wenmarpro.com/bulletins/10140181), 2018-06-11: Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes \(DTCs\) have been set: · \*\*P0335 \- Crankshaft Position Sensor Circuit. · P0306 \- Cylinder 6 Misfire \(Automatic Transmissions only\). · P0456 \- EVAP System Small Leak \(3.6L Engine Sales Code ERB only\).\*\* · U0140 \- Lost Communication With Body Control Module.
- [10121652](https://open.wenmarpro.com/bulletins/10121652), 2017-11-03: Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one of the following Diagnostic Trouble Codes \(DTCs\) have been set: · \*\*P0300 \- Multiple Cylinder Misfire \(3.6L Engine Sales Code ERB only\). · P0306 \- Cylinder 6 Misfire \(Automatic Transmissions only\).\*\* · P0335 \- Crankshaft Position Sensor Circuit. · P0456 \- EVAP System Small Leak \(3.6L Engine Sales Code ERB only\). · U0140 \- Lost Communication With Body Control Module.