P018B · Herstellerinformationen

CADILLAC, CHEVROLET, GMC · 2021-04-15

Malfunction Indicator Lamp Illuminated (MIL) - DTC P2635 and/or P018B Set In High Ambient Temperatures With Hesitation, Surging and Stalling Condition Some customers may comment that the Malfunction Indicator Light (MIL) is illuminated. Some customers may also comment on one or more of the following symptoms: • Hesitation • Surging • Stalling Note: In ambient temperatures 100 F (37.7 C) degrees or higher, DTCs P2635 and/or P018B may set. The Technician may find one or more of the following DTCs set: • P2635 • P018B Cause This condition may be caused by a vapor buildup in fuel feed line. Correction If the conditions stated above are met, replace the fuel pump module with an updated version

BENTLEY · 2020-09-28

New Continental GT & GTC - Check Engine Lamp - Fuel Pressure Regulation. Customer statement/workshop findings Check Engine Lamp illuminated on Driver Instrument Panel (DIP) One or more of the following Diagnostic Trouble Codes (DTCs) stored within the Engine Control Unit. -P014800 - Fuel Delivery Error -P310B00 - Fuel Rail Pressure regulation Fuel Pressure Outside specification -P019100 - Fuel Rail Pressure Sensor A Circuit Range / Performance -P018B00 - Fuel Pressure Sensor B Circuit Range / Performance -Various Misfire DTCs Technical background With symptoms of Check Engine Lamp Illumination, Poor Engine Running - Misfires accompanied with one or more of the listed DTCs, proceed to follow the information contained within the Measure section.

BENTLEY · 2020-03-19

New Continental GT & GTC - Check Engine Lamp - Fuel Pressure Regulation Customer statement / workshop findings Check Engine Lamp illuminated on Driver Instrument Panel (DIP) One or more of the following Diagnostic Trouble Codes (DTCs) stored within the Engine Control Unit (ECU). P014800 - Fuel Delivery Error P310B00 - Fuel Rail Pressure regulation Fuel Pressure Outside specification P019100 - Fuel Rail Pressure Sensor A Circuit Range / Performance P018B00 - Fuel Pressure Sensor B Circuit Range / Performance Various Misfire DTCs Technical background With symptoms of Check Engine Lamp Illumination, Poor Engine Running - Misfires accompanied with one or more of the listed DTCs, proceed to follow the information contained within the Measure section.

CHEVROLET, GMC · 2019-06-24

This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians may find DTCs P0087, P018B, P228A, P228B or P2635 set in ECM.

CADILLAC, CHEVROLET, GMC · 2019-06-17

This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor not reading the low end of the pressure range. Technician is to make sure the engine is cold and install the Multiple Diagnostic Interface along with Global Diagnostic System 2. Navigate to fuel system depressurize and at engine idle depressurize the fuel system. The fuel pressure sensor value should drop to 0 and the engine will stall. If a sensor is causing this concern the suspected sensor will not drop to 0 the engine will stall however the sensor will still read 30 to 40 pounds per square inch.

CHEVROLET, GMC · 2018-04-05

This Technical Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians may find DTCs P0087, P018B, P228A, P228B or P2635 set in ECM.

CADILLAC, CHEVROLET, GMC · 2017-10-19

This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel pump module assembly to correct the condition.

CADILLAC, CHEVROLET, GMC · 2017-10-12

This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel pump module assembly to correct the condition. Dealer directed to follow latest version of PIP5507 if the fuel pump does not correct the concern.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-07-18

This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.

CADILLAC, CHEVROLET, GMC · 2017-07-17

This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel pump module assembly to correct the condition. Dealer directed to follow latest version of PIP5507 if the fuel pump does not correct the concern.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-07-12

This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-06-30

This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatures over 100F (37.7 C) degrees Mainly in TX, AZ, UT, NV, CA, NM (could be any state) causingVapor buildup in fuel feed line.Customers can be advised to utilize fuels with octane levels greater than 91, Refrain from extended idleing periods if possible, park vehicles in covered garage.Replacing the fuel pump will not repare this concern.

CADILLAC, CHEVROLET, GMC · 2017-04-26

This technical bulletin provides a procedure to replace the fuel pump module assembly if the DTC P2635 and/or P018B are set.

CADILLAC, CHEVROLET, GMC · 2016-11-07

This technical bulletin provides a procedure to replace the fuel pump module assembly if the DTC P2635 and/or P018B are set.

CADILLAC, CHEVROLET, GMC · 2016-10-10

This Preliminary Information communication provides information to the technician about vehicles that may have hesitation or a stalling condition while in ambient temperatures 100 degrees or higher. Technician may find Diagnostic Trouble Codes P2635 and or P018B set. The dealer is advised to replace the in tank fuel pump module assembly to correct the condition.

CADILLAC, CHEVROLET, GMC · 2016-09-01

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE HESITATION OR A STALLING CONDITION WHILE IN AMBIENT TEMPERATURES 100 DEGREES OR HIGHER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P2635 AND OR P018B SET. THE DEALER IS ADVISED TO REPLACE THE IN TANK FUEL PUMP MODULE ASSEMBLY TO CORRECT THE CONDITION.

CADILLAC, CHEVROLET, GMC · 2016-08-25

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE HESITATION OR A STALLING CONDITION WHILE IN AMBIENT TEMPERATURES 100 DEGREES OR HIGHER. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES P2635 AND OR P018B SET. DEALER SHOULD COMMUNICATE TO THE CUSTOMER THAT WE APOLOGIZE FOR THIS INCONVENIENCE AND THAT GENERAL MOTORS IS WORKING ON A SOLUTION FOR THIS CONCERN. IF WORKING ON POLICE PURSUIT VEHICLES REGULAR PRODUCTION OPTION CODE PPV OR FLEET VEHICLES REGULAR PRODUCTION OPTION CODE FLT, CONTACT THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE.

CHEVROLET · 2016-05-11

This technical bulletin provides diagnostic information for malfunction indicator lamp (MIL) illuminated, DTC U18A2 and/or P018B.

CADILLAC, CHEVROLET, GMC · 2015-05-01

This Preliminary Information communication provides information to the technician for a vehicle setting both a P2635 and P018B diagnostic trouble codes. The following steps may help to determine if this is caused by a fuel pressure sensor not reading the low end of the pressure range. Technician is to make sure the engine is cold and install the Multiple Diagnostic Interface along with Global Diagnostic System 2. Navigate to fuel system depressurize and at engine idle depressurize the fuel system. The fuel pressure sensor value should drop to 0 and the engine will stall. If a sensor is causing this concern the suspected sensor will not drop to 0 the engine will stall however the sensor will still read 30 to 40 pounds per square inch.