JEEP
1805320REVA
Manufacturer communications
- Publication date
- 2020-08-28
- Received by NHTSA
- 2022-09-26
- NHTSA record numbers
- 10221895
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the 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 DTCs.P0300 - Multiple Cylinder Misfire. P258B - Electronic Vacuum Pump Performance. C1252-92 - Vacuum Pump Control Circuit - Performance Or Incorrect Operation. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification test (SLVT) to determine if a leak is present in the system. P1404 - EGR Close Position Performance. P1206 - Fuel Pump Control Module Open Circuit To Fuel Pump. Upon diagnosing the vehicle the technician may find DTC P1206 set before flashing the vehicle, the correct DTC will now be P025A - Fuel Pump Module Control Circuit Open after the software update.In addition the customer may notice one or more of the following:The Anti-Lock Brake System (ABS) light illuminates. The customer may notice an ability to shift into 1st gear at an unsafe speed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
C1252-92Vacuum Pump Control Circuit - Performance Or Incorrect OperationJeep
P0300Multiple Cylinder MisfireJeep
P0456EVAP System Small Leak.If DTCJeep
P1206Fuel Pump Control Module Open Circuit To Fuel PumpJeep
P1404EGR Close Position PerformanceJeep
P258BElectronic Vacuum Pump PerformanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GLADIATOR | 2020 |