P258B · メーカー技術情報

JEEP · 2020-07-11

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 ofthe 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…

JEEP · 2020-07-09

Flash: Powertrain Control Module (PCM) Updates 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 DTCs have been set:P04FC - Crankcase Ventilation System Performance. P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation(EMEA only equipped with Gas Particulate Filter (GPF))(DTC will set when driving above 72 kph (45 mph). 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. P050B - Cold Start Ignition Timing Performance. P258B - Electric Vacuum Pump Performance. C1252-92 - Vacuum…

JEEP · 2020-07-09

Flash: Powertrain Control Module (PCM) Updates 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 DTCs have been set:P04FC - Crankcase Ventilation System Performance. P152F - Engine Hood Switch 2 / Engine Hood Switch 1 Correlation(EMEA only equipped with Gas Particulate Filter (GPF))(DTC will set when driving above 72 kph (45 mph). 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. P050B - Cold Start Ignition Timing Performance. P258B - Electric Vacuum Pump Performance. C1252-92 - Vacuum…

CHRYSLER, JEEP, RAM · 2020-02-24

ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE

RAM · 2019-05-09

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:P0175 - Fuel System 2/1 Rich. P258B - Electronic Vacuum Pump Performance. P0128 - Thermostat Rationality. C0062 - Longitudinal Acceleration Sensor. In addition, the customer may experience one or more of the following:Engine RPM erratic and or bucking, when accelerating after slowing down. Occasional engine shut off while shifting from 4WD low to 2WD. Improvements to the vacuum pump cycle time. Rough idle after cold start.

CHRYSLER · 2019-05-01

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, a technician may find one or more of the following DTCs have been set: P06E9 - Engine Starter Performance, U0418 - Implausible Data Received From Brake System Control Module 1, U0432 - Invalid Data Received From Multi-Axis Acceleration Sensor Module, P06EF - Engine Restart Performance.Software update will help reduce engine crank time, setting a false P06EF, P00FD - Battery -B- State Of Charge Performance, C2222-68 - Improper Powerdown - Event Information, P0607-00 - ECU Internal Performance - ESM, U0402-00 - Implausible Data Received From TCM, U145D-00 -…

CHEVROLET · 2009-05-01

CHEVROLET: AFTER INSTALLATION OF THE OHB BRAKE KIT PER TSB 09-05-22-001A, A CHECK ENGINE LIGHT WILL BE ON AND DTC P258B WILL BE SET. FOLLOWING ESI DIAGNOSTICS MAY LEAD DEALERS TO TRY REPROGRAMMING THE ECM OR EBCM AND ALSO REPLACE THE VACUUM PUMP. *PE