P0456 on the 2012 Fiat 500
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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| 18-053-16 | 2022-08-22. Service bulletin. Flash: 1.4L Diagnostic And System Improvements 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 the following Diagnostic Trouble Codes (DTCs) have been set: · P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream. · P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales Code EAF only). · P1607-00 - PCM Internal Shutdown Timer Rationality (Sales Code EAB only). · P2610-00 - PCM Internal Engine Off Timer Performance (Sales Code EAB only). · P1239-00 - Engine Oil Temperature Too Low (Sales Code EAB only). · P0298-00 - Engine Oil Temperature Too High (Sales Code EAB only). · P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. · P0456-00 - Evap System Small Leak. Some customers may also experience the following conditions: · Intermittent fast crank condition. · Cranks as if no compression. · Intermittent crank - no start condition. In addition, the following software enhancement is available: · ** Scan tool enhancements to communicate with wiTECH to read DTCs descriptions for 2013 MY vehicles equipped with manual transmissions (Sales Code DDF) and Euro 4 Emission W/OBD (Sales Code NB4).** · Improved reverse lamp activation time. |
| 18-027-15 REV. B | 2022-08-08. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Customers may experience one of the following: ? Intermittent fast crank condition ? Cranks as if no compression ? Malfunction Indicator Lamp (MIL) illumination ? Intermittent crank - no start condition The technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory: ? P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream ? P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales code EAF only) ? P1607-00 - PCM Internal Shutdown Timer Rationality (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak |
| 18-027-15 REV. B | 2022-07-25. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Customers may experience one of the following: ? Intermittent fast crank condition ? Cranks as if no compression ? Malfunction Indicator Lamp (MIL) illumination ? Intermittent crank - no start condition The technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory: ? P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream ? P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales code EAF only) ? P1607-00 - PCM Internal Shutdown Timer Rationality (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak |
| 18-027-15 REV C | 2019-05-20. Service bulletin. Flash: 1.4L Diagnostic And System Improvements 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 the following Diagnostic Trouble Codes (DTCs) have been set: ? P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream. ? P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales Code EAF only). ? P1607-00 - PCM Internal Shutdown Timer Rationality (Sales Code EAB only). ? P2610-00 - PCM Internal Engine Off Timer Performance (Sales Code EAB only). ? P1239-00 - Engine Oil Temperature Too Low (Sales Code EAB only). ? P0298-00 - Engine Oil Temperature Too High (Sales Code EAB only). ? P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. ? P0456-00 - Evap System Small Leak. Some customers may also experience the following conditions. ? Intermittent fast crank condition. ? Cranks as if no compression. ? Intermittent crank - no start condition. In addition, the following software enhancement is available: ? Improved reverse lamp activation time. |
| 18-027-15 REV-B | 2018-12-17. Service bulletin. Flash: 1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. Customers may experience one of the following: ? Intermittent fast crank condition ? Cranks as if no compression ? Malfunction Indicator Lamp (MIL) illumination ? Intermittent crank - no start condition The technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory: ? P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream ? P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales code EAF only) ? P1607-00 - PCM Internal Shutdown Timer Rationality (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak |
| 18-027-15 REVA | 2018-12-10. Service bulletin. Flash:1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon inspection, the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory. ? P1524-00 Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales code EAF only) ? P1607-00 - PCM Internal Shutdown Timer Rationality. (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance. (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low. (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High. (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible. ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak In addition, the customer may also experience an intermittent crank, no start condition. The customer may indicate the engine sounds like it is freewheeling or has no compression. When this issue occurs, it is typically resolved with a simple ignition key cycle. This may happen in colder temperatures. |
| 18-027-15 | 2018-12-10. Service bulletin. Flash:1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon inspection, the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory. ? P0452-00 - EVAP Pressure Switch Stuck Closed. (2012 vehicles with Sales code EAB) ? P1607-00 - PCM Internal Shutdown Timer Rationality. (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance. (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low. (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High. (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible. ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak In addition, the customer may also experience an intermittent crank, no start condition. The customer may indicate the engine sounds like it is freewheeling or has no compression. When this issue occurs, it is typically resolved with a simple ignition key cycle. This may happen in colder temperatures. |
| 18-053-16 | 2018-06-11. Service bulletin. Flash: 1.4L Diagnostic And System Improvements 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 the following Diagnostic Trouble Codes (DTCs) have been set: · P1128-00 - Closed Loop Fueling Not Achieved - Bank 1 Upstream. · P1524-00 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled (Sales Code EAF only). · P1607-00 - PCM Internal Shutdown Timer Rationality (Sales Code EAB only). · P2610-00 - PCM Internal Engine Off Timer Performance (Sales Code EAB only). · P1239-00 - Engine Oil Temperature Too Low (Sales Code EAB only). · P0298-00 - Engine Oil Temperature Too High (Sales Code EAB only). · P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. · P0456-00 - Evap System Small Leak. Some customers may also experience the following conditions: · Intermittent fast crank condition. · Cranks as if no compression. · Intermittent crank - no start condition. In addition, the following software enhancement is available: · ** Scan tool enhancements to communicate with wiTECH to read DTCs descriptions for 2013 MY vehicles equipped with manual transmissions (Sales Code DDF) and Euro 4 Emission W/OBD (Sales Code NB4).** · Improved reverse lamp activation time. |
| 18-007-14 REV. B | 2018-06-11. Service bulletin. Flash:1.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon inspection, the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) are set in the Powertrain Control Module (PCM) memory. ? P1607-00 - PCM Internal Shutdown Timer Rationality. (Sales code EAB only) ? P2610-00 - PCM Internal Engine Off Timer Performance. (Sales code EAB only) ? P1239-00 - Engine Oil Temperature Too Low. (Sales code EAB only) ? P0298-00 - Engine Oil Temperature Too High. (Sales code EAB only) ? P2299-00 - Brake Pedal Position/ Accelerator Pedal Position Incompatible. ? P0456-00 - Evap System Small Leak ? P0456-00 - Evap System Small Leak In addition, the customer may also experience an intermittent crank, no start condition. The customer may indicate the engine sounds like it is freewheeling or has no compression. When this issue occurs, it is typically resolved with a simple ignition key cycle. This may happen in colder temperatures. |
10 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.