# Service bulletin 1804623

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: 10236925
- Published by NHTSA: 2023\-05\-30
- Manufacturer's number: 1804623
- Manufacturer's date: 2023\-04\-14
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); VEHICLE SPEED CONTROL:ACCELERATOR PEDAL; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; POWER TRAIN; BACK OVER PREVENTION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236925-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10236925-9999.pdf)

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

## Components

Brakes, Driver assistance, Electrical system, Engine, Fuel system, Lighting, Throttle and cruise control, Transmission and driveline, Automatic transmission, Backup camera, Body control module, Engine control module, Transmission control module

## Trouble codes named

P0106, P013A, P015A, P026E, P0331, P1CEA, U1008

## Vehicles listed

- 2019 ALFA ROMEO GIULIA

JSON: [/v1/bulletins/10236925](/v1/bulletins/10236925)

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