# Service bulletin 1801721

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: 10220605
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: 1801721
- Manufacturer's date: 2021\-02\-09
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the PCM with the latest available softwareand replacing the oil vapor recovery tube. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes \(DTCs\) have been set:P032D\-00 \- Knock Sensor 3 Circuit High. P008A\-00 \- Low Pressure Fuel System Pressure \- Too Low. P034C\-00 \- Ion Sense System Performance. P051B\-00 \- Crankcase Pressure Sensor Circuit Range/Performance.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220605-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220605-9999.pdf)

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

## Components

Electrical system, Transmission and driveline, Automatic transmission, Transmission control module

## Trouble codes named

P008A, P032D, P034C, P051B

## Vehicles listed

- 2018 ALFA ROMEO STELVIO

## Other bulletins for the same vehicles and component

- [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\-026\-20](/bulletins/10175165.md), 2020-05-18, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:SOFTWARE; 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 known as 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 of the 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. P1CEA\-00 \- Boost Side EVAP Purge System Performance. P0096\-00 \- Intake Air Temperature Sensor 2 Circuit Range\-Performance. P04DB\-00 \- Crankcase Ventilation System Disconnected. P024A\-00 \- Charge Air Cooler Bypass Control "A" Range/Performance. P2097\-00 \- Post Catalyst Fuel Trim System Rich. P2B2F\-00 \- Fan 1 Performance/Stuck Off. P24D6\-00 \- EVAP System Pressure Sensor/Switch "B" Circuit Range/Performance. P01BA\-00 \- Engine Oil Temperature Sensor "B" Range/Performance. P026E\-00 \- Charge Air Cooler Coolant Pump Performance. P164E\-00 \- A/C Clutch Relay Control Range/Performance. P0191\-00 \- Fuel Rail Pressure Sensor "A" Circuit Range/Performance. P2299\-00 \- Brake Pedal Position/Accelerator Pedal Position Incompatible. U1008\-00 \- LIN 1 BUS. Customers may experience one or more of the following:Not passing vehicle certification during state inspections if performed after a system reset. Driveability issues. Engine misfire when cold. In addition, the following improvements are also available:Turbo coolant pump after run duration and on\-off strategy update, to improve turbo O\-ring durability. Message ?S\&S Not Available? will be changed to ?Hood Open?. Improved idle stability during tip in tip out. Improved idle stability during an Engine Start Stop \(ESS\) event.
- [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

JSON: [/v1/bulletins/10220605](/v1/bulletins/10220605)

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