P0456 on the 2015 Dodge Challenger
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.
| 1804823 | 2023-05-30. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
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| 1807320 | 2022-09-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. 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):U1424-00 - Implausible Engine Torque Signal Received(2015 MY). P0456 - EVAP System Small Leak. P2610 - PCM Internal Engine Off Timer Performance. P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. P0335 - Crankshaft Position Sensor Circuit(2014-2015 MY). U0140 - Lost Communication With Body Control Module(LC, LD and LX). P1621 - O2 Sensor Reference Voltage Circuit Low. P1622 - O2 Sensor Reference Voltage Circuit High. P0606 - Internal Control Processor. P0300 - Multiple Cylinder Misfire. P219A - Bank 1 Air-Fuel Ratio Imbalance. P219B - Bank 2 Air-Fuel Ratio Imbalance. P0307 - Cylinder 7 Misfire. P2096 - Downstream Fuel Trim System 1 Lean. P2097 - Downstream Fuel Trim System 1 Rich. The following software enhancements are also available(2015 MY):Reverse gear lock-out change from 16 kph (10 mph) to 4.8 kph (3 mph)(Sales Code EZC with DEC). Change to purge vapor control calibration(Sales Code EZH with DGJ). Improvements to vehicle overspeed control(Sales Code EZH with DGJ). Calibration update to the electronic voltage regulator voltage set point(Sales Code EZH with DGJ). Additional Symptoms:Customers with a Pursuit Dodge Charger (LD) may describe an unpleasant odor in the vehicle under certain extreme ambient conditions2013-2015 MY LD with (Sales Codes EZH with AHB or AHV only). Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information |
| 1808919 | 2022-09-15. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
| 18-061-17 | 2022-09-15. Service bulletin. 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 one or more of the following Diagnostic Trouble Codes (DTCs) stored in the PCM memory:P0456 - EVAP System Small Leak. U1424 - Implausible Engine Torque Signal Received. P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2299 - Brake Pedal Position/Accelerator Pedal Position Incompatible. P2227 - Barometric Pressure Circuit Performance. P1611 - Supercharger Bypass Valve Position Sensor 1 Circuit High. P0513 - Invalid Skim Key. P0300 - Multiple Cylinder Misfire (Sales Code DEC only). P1613 - Turbocharger/Supercharger Boost Pressure Sensor/Mass Air Flow Sensor Correlation. P1217 - Active Exhaust Valve 1 Performance. P121B - Active Exhaust Valve 2 Performance. The P0513 DTC is set during remote starting the vehicle and nearly simultaneously pressing the key fob button against the Keyless Ignition Node (KIN) causing an engine stall.The PCM software also enables freeze frame/failure records to be stored for the following diagnostic trouble codes:P0102 - MAF sensor circuit shorted to ground. P0103 - MAF Sensor Circuit shorted High. P0607 - ECU Internal Performance. P060E - Level 2 TPS Sensor Coherency Check Has Failed. P1610 - Supercharger Bypass Valve Position Sensor 1 Circuit Low. P1611 - Supercharger Bypass Valve Position Sensor 1 Circuit High. P1616 - Supercharger Bypass Valve Position Sensor 2 Circuit Low. P1617 - Supercharger Bypass Valve Position Sensor 2 Circuit High. P1620 - Supercharger Bypass Valve Control Open Circuit. P1627 - Supercharger Bypass Valve Position Sensor 1/2 Correlation. P162A - Supercharger Bypass Valve Actuator Control System - Max PWM Exceeded. |
| 18-070-16 | 2022-08-08. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTCs) set in the PCM memory: · **P0456 - EVAP System Small Leak. · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance.** · U0140 - Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful. · P0300 - Multiple Cylinder Misfire. · P0573 - Brake Switch 1 Stuck Off. |
| 18-073-20 | 2020-09-28. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. 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):U1424-00 - Implausible Engine Torque Signal Received(2015 MY). P0456 - EVAP System Small Leak. P2610 - PCM Internal Engine Off Timer Performance. P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. P0335 - Crankshaft Position Sensor Circuit(2014-2015 MY). U0140 - Lost Communication With Body Control Module(LC, LD and LX). P1621 - O2 Sensor Reference Voltage Circuit Low. P1622 - O2 Sensor Reference Voltage Circuit High. P0606 - Internal Control Processor. P0300 - Multiple Cylinder Misfire. P219A - Bank 1 Air-Fuel Ratio Imbalance. P219B - Bank 2 Air-Fuel Ratio Imbalance. P0307 - Cylinder 7 Misfire. P2096 - Downstream Fuel Trim System 1 Lean. P2097 - Downstream Fuel Trim System 1 Rich. The following software enhancements are also available(2015 MY):Reverse gear lock-out change from 16 kph (10 mph) to 4.8 kph (3 mph)(Sales Code EZC with DEC). Change to purge vapor control calibration(Sales Code EZH with DGJ). Improvements to vehicle overspeed control(Sales Code EZH with DGJ). Calibration update to the electronic voltage regulator voltage set point(Sales Code EZH with DGJ). Additional Symptoms:Customers with a Pursuit Dodge Charger (LD) may describe an unpleasant odor in the vehicle under certain extreme ambient conditions2013-2015 MY LD with (Sales Codes EZH with AHB or AHV only). Technicians may find that the original vehicle Frequency Operated Button Integrated Key (FOBIK) does not function properly following replacement of the Wireless Ignition Node (WIN/WCM). The Secret Key information stored in the PCM may be corrupt. This update will restore the PCM?s ability to store/transfer valid Secret Key information |
| 18-089-19 | 2019-12-16. Service bulletin. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK |
| 18-070-16 | 2018-06-11. Service bulletin. Flash: Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following (DTCs) set in the PCM memory: · **P0456 - EVAP System Small Leak. · P0335 - Crankshaft Position Sensor Circuit. · P2610 - PCM Internal Engine Off Timer Performance.** · U0140 - Lost Communication With Body Control Module. Attempting to clear the DTC will be unsuccessful. · P0300 - Multiple Cylinder Misfire. · P0573 - Brake Switch 1 Stuck Off. |
| 18-047-16 | 2018-06-11. Service bulletin. Flash: 6.2L Powertrain Diagnostic And System Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) and Transmission Control Module (TCM) with new software. A small number of 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) stored in the PCM memory: **P0456 - EVAP System Small Leak. P1611 - Supercharger Bypass Valve Position Sensor 1 Circuit High. P0513 - Invalid Skim Key.** P0300 - Multiple Cylinder Misfire (manual transmission applications only). P1613 - Turbocharger/Supercharger Boost Pressure Sensor/Mass Air Flow Sensor Correlation. P2227 - Barometric Pressure Circuit Performance. P1217 - Active Exhaust Valve 1 Performance. P121B - Active Exhaust Valve 2 Performance. **The P0513 code is set during remote starting the vehicle and nearly simultaneously pressing the Key Fob button against the Keyless Ignition Node (KIN) causing an engine stall.** **In addition the PCM software also enables freeze frame/failure records to be stored for the following Diagnostic Trouble Codes: P0102 - MAF sensor circuit shorted to ground. P0103 - MAF Sensor Circuit shorted High. P0607 - ECU Internal Performance. P060E - Level 2 TPS sensor coherency check has failed. P1610 - Supercharger Bypass Valve Position Sensor 1 Circuit Low. P1611 - Supercharger Bypass Valve Position Sensor 1 Circuit High. P1616 - Supercharger Bypass Valve Position Sensor 2 Circuit Low. P1617 - Supercharger Bypass Valve Position Sensor 2 Circuit High. P1620 - Supercharger Bypass Valve Control Open Circuit. P1627 - Supercharger Bypass Valve Position Sensor 1/2 Correlation. P162A - Supercharger Bypass Valve Actuator Control System - Max PWM Exceeded. P162C - Supercharger Bypass Valve Control Circuit.** In addition, customers may also comment on the following: |
| 18-084-16 | 2017-11-03. Service bulletin. Flash: 5.7L Diagnostic And System Improvements This bulletin involves reprogramming of the Powertrain Control Module (PCM) with the latest software. A small number of 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): · **P0456 - Evap System Small Leak. · P2610 - PCM Internal Engine Off Timer Performance. · P2299 - Brake Pedal Position / Accelerator Pedal Position Incompatible. · P0335 - Crankshaft Position Sensor Circuit. (2014-2015 MY).** · U0140 - Lost Communication With Body Control Module. (LC, LD and LX). · P1621 - O2 Sensor Reference Voltage Circuit Low. · P1622 - O2 Sensor Reference Voltage Circuit High. · P0606 - Internal Control Processor. · P0300 - Multiple Cylinder Misfire. · P219A - Bank 1 Air-Fuel Ratio Imbalance. · P219B - Bank 2 Air-Fuel Ratio Imbalance. · P0307 - Cylinder 7 Misfire. · P2096 - Downstream Fuel Trim System 1 Lean. · P2097 - Downstream Fuel Trim System 1 Rich. |
13 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.