VDD CEM Relay Bridge for Volvo P2 MY1998-2004
2021-04-19

VDD Guide VDD CEM Relay Bridge for Volvo P2 MY1998-2004 Required modification for selected Volvo P2 vehicles where the CEM disconnects the OBD socket after the key is removed from the ignition. Why the CEM Relay Bridge Is Needed On some…

IHU Engineering Mode - Change Region Settings P3
2020-01-17

VDASH Guide IHU Enginnering Mode - Change Region Settings on P3 How to change the infotainment system region after changing the vehicle region configuration in VDASH. Sensus Connect region settings Why this setting matters After you have…

Volvo Tuning Explained
2026-07-08

VDASH Guide Volvo Tuning Explained Engine performance optimization, EGR, DPF and lambda sensor deactivation. Performance optimization Engine performance optimization This is an increase in engine performance, or tuning, which is possible…

SRS-CFFF Fix
2019-09-30

VDASH Guide How to Fix SRS-CFFF with VDASH Repair a common Volvo P1 SRS fault through OBD without replacing the SRS control unit. Fault Overview What Is the SRS-CFFF Fault? The SRS-CFFF fault is a well-known issue on Volvo P1 platform…

MVBM-B16527F – Battery Fixup with VDASH
2025-02-27

VDASH Guide MVBM-B16527F Repair for Volvo 48V Mild Hybrid Information about MVBM crash-detected faults on Volvo mild-hybrid vehicles with a 48V battery, including VDASH repair options, supported hardware, DTCs, and pricing. Fault Overview …

Upgrade the 1X / 2X Version VDD with 2G Modem to the 3X Version VDD with 4G/LTE Modem
2024-07-16

VDD Guide Upgrade or Buyback Options for VDD 1X / 2X Devices If 2G network availability in your country has deteriorated and your VDD has frequent communication outages, you may be eligible for an upgrade discount or a buyback option. VDD…

VDASH Support for iCUP / Android Volvo Cars - Diagnostics
2026-07-02

VDASH Guide VDASH Support for iCUP / Android Volvo Cars Diagnostic support information for newer Volvo vehicles equipped with the Android-based iCUP system and VGM security gateway. iCUP / Android Volvo Security iCUP / Android Volvo…

Authorizing a New Computer in VDASH
2019-10-15

VDASH Guide VDASH Computer Authorization How to authorize a new computer when all VDASH hardware slots are already used. Authorize a new computer Why this message appears If you see this notification in VDASH, there has most likely…

VIDA Purchase Failed: 201 - This car is blocked for software download
2025-05-04

VDASH Guide How to Unblock Your Volvo for Future VIDA Software Updates What to do if an SPA or CMA Volvo becomes blocked for official VIDA software updates after configuration changes. VIDA software update block Why the vehicle gets…

Optimizing Engine Performance
2019-01-01

VDASH Guide Optimizing Engine Performance Increasing engine performance by modifying the control software of the motor unit or hardware parts of the engine. overview This is an increase in engine performance, which is possible by…

SPA and CMA Mileage Manipulation
2025-02-28

VDASH Guide SPA and CMA Mileage Manipulation Important information about mileage synchronization when replacing the instrument cluster (DIM) in Volvo SPA and CMA vehicles. Mileage synchronization Custom mileage manipulation of your Volvo…

P2 CEM L Repair Cable (MY05-14)
2022-03-06

B connector 31270634 C connector 31270635

How to Obtain the CEM / ECM PIN for Your Volvo
2026-04-02

VDASH Guide How to Obtain the CEM & ECM PIN for Your Volvo To modify the configuration of your vehicle, you will need the CEM (Central Electronic Module) PIN for your Volvo. For example, if you want to add features such as heated seats,…

Typical Errors After Engine Optimization
2022-06-13

VDASH Guide Typical Errors – DTCs After Engine Optimization Typical diagnostic error messages after performance optimization and what they mean. Engine optimization checksum errors Why these errors appear After performing engine…

EGR Blanking Plate – Euro3 D5 – D5244T/D5244T2
2019-11-04

VDASH Guide EGR OFF – Euro 3 engines Important note for D5244T and D5244T2 engines when loading EGR OFF software with VDASH. EGR blanking plate EGR OFF software for Euro 3 engines If you load EGR OFF software into a Euro 3 engine (D5244T …

ECU Repairs
2026-07-09

VDASH Guide Volvo module repairs Overview of typical Volvo control module faults and repair options. Module repairs Typical faults and repair options We repair and replace selected Volvo control modules across different platforms and model…

P2 CEM Cover Leak
2026-07-09

VDASH Guide Volvo P2 water leaking into CEM Preventive solution for moisture entering the central CEM module on early facelift Volvo P2 models. Problem description The first years of facelift P2 models (V/XC70, S60, S80, XC90) - i.e. the…

Web Release Notes
2023-10-16

Web Release Notes  

Unlock Volvo DENSO VEA ECM with VDASH
2020-07-05

VDASH Guide Unlock Volvo DENSO VEA ECM with VDASH Quick tutorial for unlocking Volvo VEA ECM using VDASH and the UCBP adaptor. VEA ECM unlock How to unlock Volvo VEA ECM with VDASH How to unlock Volvo VEA ECM with VDASH? Follow this…

VDASH PRO Subscription
2020-02-27

VDASH Guide VDASH – PRO Subscription Benefits, price, premium support rules, and when a PRO account makes sense. PRO Subscription Benefits PRO is a one-year subscription with these benefits for you: 25% discount off end-user prices 10%…

Volvo Diesel Injectors Codes and Engine Variants
2024-03-15

VDASH Guide Injector part numbers Injector coding Injector part numbers according to Volvo platform and engine code Some of these injectors require coding the IMA codes or the injector class. Both can be done with VDASH or VIDA. Part…

XC90 – LED Tail Lights Upgrade – MY2006+
2020-06-15

VDASH Guide Volvo XC90 rear/tail lights LED upgrade Quick tutorial on how to upgrade rear/tail lights for Volvo XC90s to LED lights. LED tail light upgrade This is a quick tutorial on how to upgrade rear/tail lights for Volvo XC90s to LED…

Bluetooth P2V2 - User guide
2019-10-17

User Guide For Bluetooth module BT Volvo P2v2    1.        Introduction Because the update is based on the original Phone Module (PHM) all the control of this updated module is same as an original one. So it’s recommended to be familiar with the…

Volvo P2 Keys and Remotes Explained
2024-03-13

VDASH Guide Remote controls and ignition keys Volvo P2 How ignition keys, remote controls, UEM, TRN code, and seed / remote code work in Volvo P2 platform vehicles. P2 platform The key and remote control are two separate things The…

Big Brakes Upgrade for S/V60
2021-06-27

VDASH Guide Volvo S/V60 front brake upgrade Rebuild kit for upgrading original 300 mm front brakes to 336 mm front brakes using parts from the Volvo V60 D6. Brake upgrade From 300 mm to 336 mm front brakes This rebuild kit is intended for…

Volvo PIN Codes Explained
2026-04-07

VDASH Guide Volvo PIN Codes Explained Every Volvo since 1998 has two basic security levels: CEM and ECM. In newer vehicles, additional units like IEM, VGM, and others are integrated into this security system. Jump to Section Overview What…

Pairing SCU / SCL Unit
2023-10-05

VDASH Guide SCU / SCL Pairing in VDASH Preconditions and step-by-step instructions for pairing a new SCU / SCL unit using VDASH. Preconditions Before Starting SCU / SCL Pairing Before pairing the SCU / SCL unit in VDASH, make sure the…

Volvo Keys and VDASH
2026-04-14

VDASH Guide Volvo Keys & Remotes Explained Volvo car keys have gradually evolved from classic physical ignition keys with separate remote controls to modern keyless systems. This guide explains how Volvo keys work, which PIN codes are…

ECM-U210100 - Common DTC for P2
2025-10-08

VDASH Guide ECM-U210100: Control Module Configuration Incompatible Explanation and VDASH configuration guidance for ECM-U210100 on Volvo P2 diesel vehicles after changing the fuel heater configuration. DTC Overview ECM-U210100 Fault…

VDD Dongle Firmware Release Notes
2022-04-25

VDD Dongle Firmware Release Notes