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…
Bluetooth P2V2 - Installation Guide
2019-10-17
Installation Guide How to install the Bluetooth module BT Volvo P2V2 A step-by-step guide for installing the Bluetooth module instead of the original GSM modem. Jump to Section Overview Equipment Bluetooth Version Dismantling Installation…
VDASH and Language Change in Your Volvo
2026-04-17
VDASH Guide Change the Language of Your Volvo with VDASH Language change Language Change Made Simple Changing the language in a Volvo vehicle is often assumed to be a complex process requiring security credentials or deep system access.…
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…
Volvo Abbreviations
2022-11-17
Volvo Abbreviations 2 VALVE 2 valves/cylinder 2VVT Double variable valve timing 2WD Two-wheel drive 4 VALVE 4 valves/cylinder 4C Continuously Controlled Chassis Concept 4CYL 4-cylinder engine 4DRS 4…
VDD App
2020-09-04
VDD App The VDD app allows remote control and monitoring of supported Volvo cars. You can check the vehicle service status, use remote functions such as heater or ventilation control, get remote assistance in case of vehicle issues, use the…
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…
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…
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…
VDD Dongle - CEM P2 / P1 PIN Decoding with VDD Dongle - Supported HW Numbers
2022-03-07
VDD Guide VDD CEM PIN Decoding for Volvo P1 and P2 VDD may be able to decode the CEM PIN for selected Volvo P1 and P2 vehicles. Successful decoding is not guaranteed. How CEM PIN Decoding Works Based on our latest knowledge, CEM PIN decoding…
VDD Dongle – Versions Explained
2023-06-06
VDD Guide VDD Dongle Hardware Versions The VDD hardware version determines which Volvo platforms are supported and which mobile network technology the dongle can use. Main Differences Between VDD Versions There are two main differences…
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…
Heated Steering Wheel on a P3 MY2012+
2024-12-14
VDASH Guide Volvo P3 SENSUS Heated Steering Wheel Retrofit How to retrofit a heated steering wheel on compatible Volvo P3 SENSUS cars using VDASH. Heated steering wheel retrofit Applicable vehicles Applicable for: MY 2012+ – S80II, V70III…
Optical Loop - MOST Testing Tool
2022-03-06
VDASH Guide Volvo Optical Loop for MOST Troubleshooting A small but useful diagnostic part for checking the optical MOST network in Volvo vehicles. Optical Loop Optical loop order number 8688083 is useful for troubleshooting the MOST…
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…
PIN Decoding for ECM and CEM – P3, SPA/CMA and P1 MY2012+
2018-11-10
VDASH Guide PIN Decoding for ECM and CEM ECM PIN – chiptuning PIN decoding for ECM – motor unit – chiptuning EDC16C31 in platform 3 – 5-cyl diesel Euro 4 engines - if you need to decode this unit, use our contact form or contact our PRO…
Turbocharger Scheme and Regulation Explained
2024-03-15
VDASH Guide How the turbocharger works Basic explanation of turbocharger regulation, wastegate, bypass valve, blow-off valve, and the most common faults. Basic principle How the turbocharger creates boost pressure The turbocharger draws in…
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…
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…
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…
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…
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…
TFT Retrofit
2019-05-23
VDASH Guide Volvo P3 TFT DIM Retrofit How to retrofit the newer TFT instrument cluster into supported Volvo P3 cars using VDASH. TFT DIM retrofit Overview All older P3 platforms are equipped with the older version of the instrument…
Volvo DiCE Update
2019-09-30
VDASH Guide DiCE Update DiCE driver and firmware VDASH works best with the latest Windows driver and the latest DiCE firmware. Both are available for download: https://d5t5.com/sw/SetupDiCE.exe Firmware versions Update DiCE…
VDASH in Virtual Environment – VM / VMware / VirtualPC
2020-06-23
VDASH Guide Running VDASH in a Virtual Environment Why VDASH should be installed directly on a native Windows system instead of a virtual machine. Virtual environments are not supported Why VDASH is not allowed in a virtual machine…
Volvo P3 Configuration Changes with VDASH
2020-07-11
VDASH Guide Volvo P3 Configuration Changes with VDASH A concise overview of common P3 configuration changes available in VDASH. P3 configuration changes Before you start To change the configuration on P3 cars, you need to decode the CEM…
Configuration
2018-12-30
VDASH Guide Configuration – Vehicle Equipment Modification Overview of Volvo configuration changes available through VDASH across SPA / CMA, P3, P2, and P1 platforms. Vehicle equipment modification Configuration – Vehicle Equipment…
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…
How to Appear on the Map as a D5T5 Dealer?
2020-06-22
VDASH Guide How to become visible as a dealer on the D5T5 map Dealer visibility Enable dealer mode in VDASH If you wish to be visible as a dealer on the D5T5 map, all that is required is to go to VDASH and change the settings to dealer. …
VDD - Independent Heater Command Doesn't Work
2026-04-22
VDD Guide Additional Fuel Operated Heater (FOH) Does Not Start when command called in VDD Mobile App Troubleshooting and VDASH configuration guidance when the Fuel Operated Heater does not react after selecting Turn Additional Heater On in the…