P0234 · Manufacturer communications

FORD · 2022-03-07

Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL), lack of power, and/or excessive turbo noise during operation, with diagnostic trouble codes (DTC) P003A, P0045, P0046, P0047, P0048, P0234, P0237, P0238, P132A, P2564, P2565, P2598, P259E, and/or P259F stored in the powertrain control module. If Workshop Manual (WSM) diagnostics lead to turbocharger variable vane actuator replacement, service part LC3Z-9G488-A has been released for service. Replacement of the turbocharger assembly is no longer required.

RAM · 2022-03-03

Cummins 6.7L Turbocharger Actuator - X93 Warranty Extension This bulletin involves replacing the turbocharger actuator with an updated actuator. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U010C - Lost Communication With Turbocharger/Supercharger Control Module. P003A - Turbocharger Boost Control Module Position Exceeded Learning Limit. P00AF - Turbocharger Boost Control Module Performance. P0046 - Turbocharger Boost Control Circuit Performance. P0234 - Turbocharger Overboost Condition.

RAM · 2022-03-03

Cummins 6.7L Turbocharger Actuator - X93 Warranty Extension This bulletin involves replacing the turbocharger actuator with an updated actuator. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U010C - Lost Communication With Turbocharger/Supercharger Control Module. P003A - Turbocharger Boost Control Module Position Exceeded Learning Limit. P00AF - Turbocharger Boost Control Module Performance. P0046 - Turbocharger Boost Control Circuit Performance. P0234 - Turbocharger Overboost Condition.

RAM · 2022-03-03

Cummins 6.7L Turbocharger Actuator - X93 Warranty Extension This bulletin involves replacing the turbocharger actuator with an updated actuator. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U010C - Lost Communication With Turbocharger/Supercharger Control Module. P003A - Turbocharger Boost Control Module Position Exceeded Learning Limit. P00AF - Turbocharger Boost Control Module Performance. P0046 - Turbocharger Boost Control Circuit Performance. P0234 - Turbocharger Overboost Condition.

RAM · 2022-01-19

Cummins 6.7L Turbocharger Actuator - X93 Warranty Extension This bulletin involves replacing the turbocharger actuator with an updated actuator. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U010C - Lost Communication With Turbocharger/Supercharger Control Module. P003A - Turbocharger Boost Control Module Position Exceeded Learning Limit. P00AF - Turbocharger Boost Control Module Performance. P0046 - Turbocharger Boost Control Circuit Performance. P0234 - Turbocharger Overboost Condition.

CHEVROLET · 2022-01-14

This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set.

BUICK, CHEVROLET · 2022-01-13

This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P0236, P00C7 Set.

MERCEDES-BENZ, MERCEDES-MAYBACH · 2021-12-08

"MY15+ M278 and M157 Equipped Vehicles with Fault Code ""P023400 – Boost Pressure is Too High"" "

BUICK, CHEVROLET, GMC · 2021-11-11

This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving

BUICK, CHEVROLET, GMC · 2021-09-27

This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving

AUDI · 2021-09-20

DTC P0234 (Turbo/Super Charger Overboost Condition) is stored in the engine control module, J623 (address word 01). No other DTCs are stored. Technical Background DTC P0234 can be set inadvertently by the software application.

CHEVROLET · 2021-07-22

This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving

CHEVROLET · 2021-06-25

This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving

BUICK, CHEVROLET · 2021-05-26

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2021-03-19

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2020-06-10

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2020-02-07

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

LAND ROVER · 2019-12-04

The MIL is illuminated on the IPC with Diagnostic Trouble Code(s) (DTC) P0234-77 stored in the Powertrain Control Module (PCM) which may be accompanied with DTCs P2463-00 and P246B-00.

LAND ROVER · 2019-11-27

TDV6 16-18MYMY3.0L TDV6 equipped vehicles have a MIL and “Restricted Performance” on the instrument cluster and P0234-77 stored in the PCM

BUICK, CHEVROLET · 2019-10-14

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2019-05-06

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

FORD · 2019-02-05

Some 2018-2019 F-150 vehicles equipped with a 3.0L diesel engine built on or before 25-Jan-2019 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0234, P208E and/or P2201 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

FORD · 2019-02-05

Some 2018-2019 F-150 vehicles equipped with a 3.0L diesel engine built on or before 25-Jan-2019 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P0234, P208E and/or P2201 stored in the powertrain control module (PCM). Follow the Service Procedure steps to correct the condition.

LAND ROVER · 2018-12-20

The engine MIL (Malfunction Indicator Lamp) may be illuminated on the Instrument Panel Cluster with DTC (Diagnostic Trouble Code) P0234-77 stored in the Powertrain Control Module (PCM). DTC P2463-00 and P246B-00 may also be stored.

BUICK, CHEVROLET · 2018-11-14

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found. The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis to perform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2018-10-17

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found.The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis toperform, prior to replacing and returning a turbocharger to the WPC.

BUICK, CHEVROLET · 2018-09-14

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found.The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis toperform, prior to replacing and returning a turbocharger to the WPC.

LAND ROVER · 2018-06-11

The engine Malfunction Indicator Lamp (MIL) may be illuminated on the Instrument Cluster with Diagnostic Trouble Code (DTC) P0234-77 stored in the Powertrain Control Module (PCM). DTCs P2463-00 and P246B-00 may also be stored.

AUDI · 2018-03-07

This bulletin contains repair information for when the EPC light is on and there is poor performance with DTC(s) P029900 and/or P023400.

BUICK, CHEVROLET · 2018-01-18

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided with a list of causes of misdiagnosis leading to returned Turbochargers with no trouble found.The purpose of this information is to reduce the number of no trouble found (NTF) turbochargers being returned to the WPC by informing the Service Department personnel of what inspections and/or diagnosis toperform, prior to replacing and returning a turbocharger to the WPC.