# Service bulletin 21\-044\-19

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10170397
- Published by NHTSA: 2020\-01\-21
- Manufacturer's number: 21\-044\-19
- Manufacturer's date: 2019\-12\-17
- NHTSA component: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

Flash: Transmission Control Module \(TCM\) Update This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation, a technician may find thefollowing Diagnostic Trouble Codes \(DTCs\) have been set: P0002\-00 \- Fuel Volume Regulator "A" Control Circuit Performance. P026E\-00 \- Charge Air Cooler Coolant Pump Performance. P1066\-00 \- Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P26E4\-00 \- Starter Relay "B" Circuit. P2B61\-00 \- Engine Coolant Flow Control Valve Stuck Closed. P2BC1\-00 \- Lt Water Pump Smart Driver Module. U1008\-00 \- LIN 1 Bus. Enhancements to this software release:Transmission shift quality improvements.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170397-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10170397-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P0002, P026E, P1066, P26E4, P2B61, P2BC1, U1008

## Vehicles listed

- 2019 ALFA ROMEO STELVIO

## Other bulletins for the same vehicles and component

- [1804523](/bulletins/10236922.md), 2023-05-30, Service bulletin: FUEL SYSTEM, GASOLINE; POWER TRAIN; ENGINE AND ENGINE COOLING; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); BACK OVER PREVENTION; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: ? \*\*P0331\-00 \- Knock Sensor 2 Circuit Range/Performance.\*\* ? P0106\-00 \- Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. ? P013A\-00 \- O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. ? P015A\-00 \- O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. ? P026E\-00 \- Charge Air Cooler Coolant Pump Performance. ? U1008\-00 \- LIN 1 BUS. ? P1CEA\-00 \- Boost Side EVAP Purge System Performance. Customers may experience one or more of the following: ? Not passing vehicle certification during state inspections if performed after a system reset. ? Drive\-ability issues. In addition, the following improvement is also available: ? Turbo coolant pump after run duration and on\-off strategy update, to improve turbo O\-ring durability. This bulletin involves reprogramming the PCM with the latest available software.
- [S2018000012](/bulletins/10184702.md), 2020-12-28, Service bulletin: ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Check engine lamp on. Fault code P0244\- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module \(PCM a.k.a. ECM\) after the turbocharger assembly has been replaced.
- [S2018000012](/bulletins/10184402.md), 2020-12-21, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Check engine lamp on. Fault code P0244\- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module \(PCM a.k.a. ECM\) after the turbocharger assembly has been replaced.
- [S2018000011](/bulletins/10183038.md), 2020-11-30, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Issue includes a fault code\(s\) set in the Powertrain Control Module \(PCM\) for P0299, P0300, P0301, P0302, P0303, and/or P0304 after performing the PCM software update process for Customer Satisfaction Notification \(CSN\) W05.
- [18\-024\-20](/bulletins/10175163.md), 2020-05-18, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:SOFTWARE. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module \(ECM\), also knownas a 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 have been set:P0106\-00 \- Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. P013A\-00 \- O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. P015A\-00 \- O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. P026E\-00 \- Charge Air Cooler Coolant Pump Performance. U1008\-00 \- LIN 1 BUS. P1CEA\-00 \- Boost Side EVAP Purge System Performance. Customers may experience one or more of the following:Not passing vehicle certification during state inspections if performedafter a system reset. Drive\-ability issues. In addition, the following improvement is also available:Turbo coolant pump after run duration and on\-off strategy update, to improveturbo O\-ring durability.
- [W05](/bulletins/10175111.md), 2020-05-18, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer Satisfaction Notification W05 Reprogram Powertrain Control Module
- [18\-024\-20](/bulletins/10174243.md), 2020-04-27, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module \(ECM\), also knownas a 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 have been set:P0106\-00 \- Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance. P013A\-00 \- O2 Sensor Slow Response Rich To Lean Bank 1 Sensor 2. P015A\-00 \- O2 Sensor Delayed Response Rich To Lean Bank 1 Sensor 1. P026E\-00 \- Charge Air Cooler Coolant Pump Performance. U1008\-00 \- LIN 1 BUS. P1CEA\-00 \- Boost Side EVAP Purge System Performance. Customers may experience one or more of the following: Not passing vehicle certification during state inspections if performedafter a system reset. Drive\-ability issues. In addition, the following improvement is also available:Turbo coolant pump after run duration and on\-off strategy update, to improve turbo O\-ring durability.

JSON: [/v1/bulletins/10170397](/v1/bulletins/10170397)

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