RAM
18-056-19 REV. A
Manufacturer communications
- Publication date
- 2019-10-22
- Received by NHTSA
- 2019-12-02
- NHTSA record numbers
- 10168472
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DiagnosticTrouble Code (DTC) has been set:P0456 - EVAP System Small Leak. In addition, the customer may notice one or more of the following conditions:Vehicle hesitation or surge at low vehicle speeds. Engine hesitation when turning steering wheel to end stop. Powertrain bump or hesitation around 16-24 kph (10-15 mph) vehicle speed. Maybe reported as rough or harsh transmission shifting in the same vehicle speed range.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0456EVAP System Small LeakCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.