P203B · Comunicaciones del fabricante

JAGUAR · 2018-10-05

A customer may raise a concern with the instrument pack displaying ?DEF Dosing Malfunction No Restarts in 250 Miles?. A Technician may find Diagnostic Trouble Code P203B-31 stored as a result.

LAND ROVER · 2018-10-03

A customer may raise a concern with the instrument pack displaying ?DEF Dosing Malfunction No Restarts in 250 Miles?. A Technician may find Diagnostic Trouble Code P203B-31 stored as a result.

AUDI · 2018-06-12

This bulletin contains repair instructions for when a MIL is on with DTC P203B00.

JAGUAR · 2018-05-16

Issue: The customer is unable to start their vehicle or a warning message displayed on the Instrument Cluster "Re-start will not be possible in xxxx miles". Any of the following DTC's may have been triggered: P203B, P203C, P203D, P215C. Although these DTC's can indicate an issue with the Urea system, multiple components have been returned to the supplier with no fault found following repairs on customer vehicles.

CHEVROLET · 2018-02-22

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P21A9, P203B, or P206B Set.

FORD · 2017-10-02

Some 2016-2017 F-650/750 vehicles equipped with a 6.7L engine and built on or before 21-Aug-2017 may exhibit an illuminated MIL with DTC P203B in the powertrain control module (PCM) memory. This may be due to a low voltage condition reducing the ability of the integrated reductant level sensor to monitor reductant tank fluid levels. Follow the Service Procedure steps to correct the condition.

LINCOLN · 2017-09-29

Some 2017 F-Super Duty vehicles equipped with a 6.7L engine and built on or before 04-Aug-2017 may exhibit an illuminated MIL with DTC P203B in the powertrain control module (PCM) memory. This may be due to a low voltage condition reducing the ability of the reductant level sensor to monitor reductant tank fluid levels. Follow the Service Procedure steps to correct the condition.

RAM · 2017-06-24

Flash: Dosing Control Unit (DCU) Diagnostic and System Improvements This bulletin involves reprogramming the DCU with the latest available software and if necessary replacing the unit. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs):P207F - Reductant Quality Performance. P202C - Reductant Tank Heater Control Circuit High. P203B - Reductant Level Sensor 1 Circuit Performance.

FORD · 2017-04-05

Some 2017 F-Super Duty and 2016-2017 F650/F750 vehicles equipped with 6.7L engine may exhibit an inaccurate diesel exhaust fluid (DEF) level indicator or warning message with or without an illuminated malfunction indicator lamp (MIL) and diagnostic trouble code (DTC) P203B. This concern may be due to intermittent loss of signal from the reductant level sensor that is integrated into the reductant tank. If the applicable pinpoint test in the powertrain control/emission diagnostic (PC/ED) or workshop manual (WSM) directs replacement of the integrated reductant level sensor, do not attempt any repairs at this time and release the vehicle. Engineering is currently investigating this concern, monitor OASIS for updates regarding latest information and diagnostic direction.

RAM · 2017-03-24

Flash: Dosing Control Unit (DCU) Diagnostic And System Improvements This bulletin involves reprogramming the DCU with the latest available software and if necessary replacing the unit. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Codes (DTCs): P207F - Reductant Quality Performance. P202C - Reductant Tank Heater Control Circuit High. P203B - Reductant Level Sensor 1 Circuit Performance.

RAM · 2015-10-14

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? P0299 - Turbocharger Underboost ? P226C - Turbocharger Boost Control Slow Response ? P0181 - Fuel Temperature Sensor Circuit Low ? P2BA9 - NOx Exceedence - Insufficient Reductant Quality ? P0401 - EGR System Performance ? P00AF - Turbocharger Boost Control Module A Performance ? P203B - Reductant Level Sensor 1 Circuit Performance ? P203E - Reductant Level Sensor 1 Circuit Intermittent-Erratic ? P22FA - NOx Sensor…

RAM · 2015-10-14

Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? P0299 - Turbocharger Underboost ? P226C - Turbocharger Boost Control Slow Response ? P0181 - Fuel Temperature Sensor Circuit Low ? P2BA9 - NOx Exceedence - Insufficient Reductant Quality ? P0401 - EGR System Performance ? P00AF - Turbocharger Boost Control Module A Performance ? P203B - Reductant Level Sensor 1 Circuit Performance ? P203E - Reductant Level Sensor 1 Circuit Intermittent-Erratic ? P22FA - NOx Sensor…

RAM · 2015-08-12

Diesel Exhaust Fluid (DEF) Level Sensor Manufacturing Defect This bulletin involves replacing the DEF pump module. A manufacturing defect in the level sensor may have occurred, if the level sensor was built within the time frame listed above. There may be a Malfunction Indicator Lamp (MIL) illuminated. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P203B - Reductant Level Sensor Circuit Performance. ? P203C - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit Low. ? P203D - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit High.

RAM · 2015-05-30

Diesel Exhaust Fluid (DEF) Level Gauge Inaccurate Or Stuck This bulletin involves verifying the correct DEF level in the tank and if necessary, replacing the DEF pump module. A small number of customers may comment that their DEF level gauge is stuck for long periods of time or is erratic. The customer may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P203B - Reductant Level Sensor Circuit Performance ? P203C - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit Low. ? P203D - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit High.

RAM · 2015-05-30

Diesel Exhaust Fluid (DEF) Level Gauge Inaccurate Or Stuck This bulletin involves verifying the correct DEF level in the tank and if necessary, replacing the DEF pump module. A small number of customers may comment that their DEF level gauge is stuck for long periods of time or is erratic. The customer may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs). ? P203B - Reductant Level Sensor Circuit Performance ? P203C - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit Low. ? P203D - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit High.

RAM · 2015-05-29

Flash: 3.0L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the ECM memory. ? P00AF-00 - Turbocharger Boost Control Module A Performance. ? P226C-00 - Turbocharger Boost Control Slow Response. ? P2458-00 - Diesel Particulate Filter Regeneration Duration. ? P2459-00 - Diesel Particulate Filter Regeneration Frequency. ? P2463-00 - Diesel Particulate Filter - Soot Accumulation. ? P22FA-00 - NOx Sensor Performance Slow Response High to Low Bank 1 Sensor 1. ? P203B-00 - Reductant Level Sensor 1…

AUDI · 2014-12-18

Supersedes Technical Service Bulletin Group 01 number 14-84 dated July 28, 2014. MIL on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM), J623 (address word 01). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.

AUDI · 2014-07-28

Supersedes Technical Service Bulletin Group 01 number 14-81 dated June 24, 2014. The MIL is on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.

AUDI · 2014-06-24

Supersedes Technical Service Bulletin Group 01 number 13-32 dated September 26, 2013. The MIL is on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM), J623 (address word 01).Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.

AUDI · 2013-09-26

MIL on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM), J623 (address word 01). Due to a production issue for the level sensor, the ECM cannot correctly read the Reductant (AdBlue) fluid level.