Check Engine Light DTC P044671 (TJ 37073.3.0)

Publication date: 2024-09-19
Reference number: TJ 37073.3.0
Supersedes refnos: TJ 37073.1.0, TJ 37073.2.0

CHECK ENGINE LIGHT DTC P044671

TECHNICAL SERVICE BULLETIN

Reference Number(s): TJ 37073.3.0, Date of Issue: January 13, 2025

VOLVO:	2016 XC90
FUNCTION GROUP:	2345
FUNCTION DESCRIPTION:	Evaporator system

SERVICE INFORMATION

Rows beginning with * are modified

NOTE: If using a printed copy of this Technical Journal, first check for the latest online version.

DESCRIPTION

If the customer experiences an intermittent CEL and DTC P044671 is set with no other symptoms, follow advice under service.

CEL: Check Engine Light

CSC CUSTOMER SYMPTOM CODES

Code	Description
DL	Warning lights and chimes/Malfunction Indicator Light ("Check engine" light) indication/no indication

DTC DIAGNOSTIC TROUBLE CODES

Control Module	Code	Fault Type
ECM	P044671	Permanent

VEHICLE TYPE

Type	Eng	Eng Desc	Sales	Body	Gear	Steer	Model Year	Plant	Chassis range	Struc Week Range
246	M1	BM1KERS					2025-2025		-	202417-202446
256	M1	BM1KERS					2025-2025		-	202417-202446

SERVICE

Do not replace any parts. This is not hardware related.

A software solution was introduced with version 3.3.16. Perform a Total Upgrade according to TJ 31543 SOFTWARE UPGRADE/DOWNLOAD GUIDE .

WARRANTY CLAIM INFO

To get a warranty claim accepted for a job described in this TJ, use the corresponding VST OP number stated in this TJ.

Note that the TJ number must be stated in the repair order text.

VST OPERATION NUMBER

VST Operation Number	Description
36004-2	Software Control Module Downloading

VEHICLE REPORT

Yes, please submit a Vehicle Report if the service solution described in this TJ has no effect. Use concern area "Vehicle Report" and sub concern area "Support needed", use function group 2345.