OBDSTAR P003+ Adapter with ECU Bench Cable Harness
Description
The OBDSTAR P003+ adapter is designed for Bench work on engine control units (ECU) and various electronic modules. It enables reading, writing, cloning, initialization, and diagnostic operations without fully removing or disassembling the ECU.
It offers very wide compatibility with Bosch, Delphi, Denso, Magneti Marelli, Siemens/Continental ECUs, as well as many vehicle manufacturers.
Built for professional use, the adapter provides a stable and secure connection thanks to its reinforced Bench cable harness.
Key Functions
– Bench reading & writing for ECUs
– Off-vehicle diagnostics
– Module initialization and programming
– Protection against reverse polarity and over-voltage
– Reinforced and color-marked Bench wiring
– Full compatibility with OBDSTAR DP series, P Series, and ECU Tools
Package Contents
– OBDSTAR P003+ Adapter
– ECU Bench Cable Harness
– Documentation (via QR Code)
Vehicle Compatibility
(Organized and reformatted for clarity. List derived from provided document.)
Alfa Romeo
147 – 156 – 159 – Brera – Mito – Giulietta – Stelvio – Tonale
Audi
A1 – A3 – A4 – A5 – A6 – A7 – A8 – Q2 – Q3 – Q5 – Q7 – TT
BMW / MINI
Series 1 / 2 / 3 / 4 / 5 / 6 – X1 – X3 – X4 – X5 – X6 – MINI One / Cooper / Cooper S
Chevrolet
Aveo – Cruze – Malibu – Spark
Chrysler / Jeep / Dodge
300C – Charger – Challenger – Durango – Grand Cherokee – Wrangler
Citroën
C1 – C2 – C3 – C4 – C5 – Berlingo – DS3 – DS4 – DS5
Fiat
500 / 500L / 500X – Panda – Punto – Tipo – Ducato – Doblo
Ford
Fiesta – Focus – Mondeo – Kuga – Ranger – Transit
Honda
Civic – CR-V – Jazz – HR-V
Hyundai
i10 – i20 – i30 – Tucson – Santa Fe – Kona
Kia
Picanto – Rio – Ceed – Sportage – Sorento
Mazda
Mazda 2 – Mazda 3 – Mazda 6 – CX-3 – CX-30 – CX-5
Mercedes-Benz
Class A – B – C – E – S – GLA – GLB – GLC – GLE – GLS – Sprinter – Vito
Nissan
Micra – Juke – Qashqai – X-Trail – Navara
Opel
Corsa – Astra – Insignia – Mokka – Vivaro
Peugeot
106 – 206 – 207 – 208 – 308 – 508 – 2008 – 3008 – 5008 – Partner
Renault / Dacia
Clio – Captur – Megane – Scenic – Laguna – Twingo – Master – Trafic – Duster – Sandero – Logan
Seat
Ibiza – Leon – Ateca – Arona
Skoda
Fabia – Octavia – Superb – Karoq – Kodiaq
Subaru
Impreza – Forester – XV
Suzuki
Swift – Vitara – S-Cross
Toyota / Lexus
Yaris – Auris / Corolla – Avensis – RAV4 – Hilux – Lexus IS / ES / NX
Volkswagen
Polo – Golf (Mk3 to Mk8) – Passat – Tiguan – Touareg – Transporter T5 / T6
(Non-exhaustive list based on OBDSTAR ECU compatibility. Some functions require licenses or software updates.)
ECU Compatibility
– Bosch: MG1 / MD1 / EDC16 / EDC17 / MED17 / MEVD17 / ME7
– Delphi: DCM3.x / DCM6.x / MT86 / MT38 / MT92
– Denso: Toyota, Mazda, Ford, Subaru
– Marelli: MM8GMK / IAW / MM9DF
– Continental / Siemens VDO: SID208 / SID209 / SID807 / SIM4
– Hitachi: Nissan / Mazda
Professional Benefits
– Significant time savings in diagnostics and programming
– Reduced risks compared to ECU removal
– Reliable tool for automotive workshops, electronics specialists, and ECU tuners
– Continuous support via OBDSTAR software updates
Technical Specifications
– High-quality Bench wiring
– Color-coded connectors
– Over-voltage and reverse-polarity protection
– Weight: approx. 350 g
– Compatible with: OBDSTAR DP/DP4, P Series, ECU Tools
FAQ – OBDSTAR P003+ Adapter with Bench Cable Harness
1. What is the OBDSTAR P003+ adapter used for?
It enables Bench operations on ECUs without full disassembly. It supports reading, writing, programming, cloning, and off-vehicle diagnostics.
2. What is the difference between the P003 and the P003+?
The P003+ is an improved version with broader ECU compatibility, optimized wiring, and greater communication stability.
3. Does the P003+ require an OBDSTAR subscription?
The adapter itself does not.
However, certain ECU functions depend on active software licenses in your OBDSTAR device (DP4, P50, etc.).
4. Is the Bench cable compatible with all ECUs?
It covers most Bosch, Delphi, Denso, Siemens, and Marelli ECUs.
Some specific references may require additional adapters.
5. Can the P003+ damage an ECU?
It includes protections, but incorrect wiring or polarity can still damage a module.
This tool must be used by trained professionals.
6. Which OBDSTAR devices is the P003+ compatible with?
– OBDSTAR DP4 / DP Plus
– OBDSTAR P50, P003, P003+
– KeyMaster Series
– OBDSTAR ECU Tools
(Depending on software version)
7. Can it be used for ECU cloning?
Yes, but compatibility depends on the ECU type and activated software functions.
Some cloning operations require additional licenses.
8. Does it support ECUs from recent vehicles (2021–2024)?
Yes. It supports MD1/MG1, recent SID units, and more.
Frequent OBDSTAR updates expand coverage.
9. How can I check whether my ECU is compatible?
Your OBDSTAR device will display:
– ECU type
– Bench wiring diagram
– Pinout
– Available functions
You may also consult Keyfirst or OBDSTAR’s compatibility list.
10. Is a paper manual included?
No. Documentation is provided via QR Code and within OBDSTAR devices.
11. Can the P003+ be used for engine tuning?
It supports Bench read/write, but tuning may require specialized software.
Users must comply with local regulations regarding ECU remapping.
12. Can it be powered with an external battery?
Yes, provided the power source is stable and meets OBDSTAR’s requirements (12 V).
13. Is the Bench harness compatible with tools from other brands?
Officially no.
Using it with another brand is not covered by warranty.
14. Can it assist in key programming?
Indirectly. It can help extract immobilizer data from ECUs.
For actual key programming, use DP4, KeyMaster, IM series tools.
15. Is the product covered by warranty?
Yes, under legal warranty + Keyfirst conditions.
Damage caused by incorrect wiring is not covered.
Legal Notice & Copyright
© Keyfirst – 2025. All rights reserved.
All mentioned trademarks (OBDSTAR, Bosch, Delphi, Denso, Siemens, Marelli, Continental, etc.) are the property of their respective owners.
Vehicle names and ECU references are used solely to indicate product compatibility.
This product is intended for qualified professionals.
ECU operations may require additional tools, subscriptions, or licenses.
Use must comply with local regulations related to diagnostics and ECU programming.
