Skip to content

ECU family · Car

SIEMENS SID803 — Stage 1, DPF Off, EGR Off, AdBlue / SCR Off Solutions

The SIEMENS SID803 ECU is used in car vehicles from brands such as CITROEN, FIAT, FORD, PEUGEOT, VOLVO. The EcuPrime library holds verified solution files for this ECU family.

Upload your file freeSee operations
Free pre-checkECU identification and applicable operations without credits
Credit only on successNo charge if it fails
Byte-level checksUnverified results are labelled
PrimeChecksumbuilt-in checksum engine

Performance

Typical Stage 1 gains

+20–30%power gain
+25–35%torque gain
Turbo dieselengine type

Typical range; the exact figure depends on the vehicle's hardware and the file. Compatibility is measured at hex level when you upload it.

Operations

Available operations for this ECU

Stage 1Typical gains in power and torque with a livelier throttle response.DPF OffRegeneration cycles and DPF fault codes are disabled in the software.EGR OffEGR valve control and related fault codes are switched off in the software.AdBlue / SCR OffAdBlue/SCR dosing and its related warning functions are switched off in the software.included in the Full Emission packageFull Emission OffDPF, EGR and AdBlue/SCR are switched off together in one file, in one job.Stage 2Advanced calibration matched to hardware upgrades such as exhaust or intercooler.

Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.

Operations

SIEMENS SID803 operations in detail

SIEMENS SID803 Stage 1

Software calibration that optimises the engine's power and torque maps within safe limits. Stage 1 is available for SIEMENS SID803 with a verified solution in the library: upload your original file and the software enables it only if it fits your file. Turbo diesel: +20–30% power gain, +25–35% torque gain.

By brand and ECU: VOLVO SIEMENS SID803 Stage 1 · CITROEN SIEMENS SID803 Stage 1 · CITROEN CONTINENTAL SID803/SID803A Stage 1 · PEUGEOT SIEMENS SID803 Stage 1 · FORD SIEMENS SID803 Stage 1 · FIAT CONTINENTAL SID803 Stage 1

Stage 1: all supported ECU families

SIEMENS SID803 EGR Off

Software deactivation of exhaust gas recirculation (EGR) valve control and fault codes. EGR Off is available for SIEMENS SID803 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.

By brand and ECU: CITROEN SIEMENS SID803 EGR Off

EGR Off: all supported ECU families

SIEMENS SID803 Stage 2

Stage 2 remap / Stage 2 tune software for hardware-upgraded engines: upload, pick, download. Stage 2 is available for SIEMENS SID803 with a verified solution in the library: upload your original file and the software enables it only if it fits your file.

By brand and ECU: CITROEN SIEMENS SID803 Stage 2

Stage 2: all supported ECU families

Brands

Brands using this ECU

VOLVOCar · Stage 1CITROENCar · Stage 1, DPF Off, EGR Off +2PEUGEOTCar · Stage 1FORDCar · Stage 1FIATCar · Stage 1

Other ECU versions in this family

CITROEN CONTINENTAL SID803/SID803A

Flow

How it works

Upload

Upload your original ECU file

Select

The system detects the ECU from the file and enables only genuinely applicable solutions

Process

The solution is verified at hex level and applied

Download & Checksum

Credit is charged only on successful delivery. The checksum is corrected in a separate tab with the built-in PrimeChecksum.

Missing the operation you need? Leave a request

Brand and ECU are pre-filled; add the missing operation as a note. The most requested ECUs get solutions first. Leave an email and we will let you know when the solution is added.

Upload your file for free — see which operations work

Explore

Related ECU families

ContinentalSID803ABoschEDC16BoschMED17ContinentalSID807ContinentalSID807EVOBoschEDC16C39BoschEDC16C34BoschEDC17C10VisteonDCU102ContinentalSID208SiemensSID804SiemensSID801SiemensSID806SiemensSID206

Help

Frequently asked questions

Can Stage 1 be done on SIEMENS SID803?

Yes. The EcuPrime library has a verified Stage 1 solution for SIEMENS SID803. When you upload your original file, compatibility is measured at hex level.

Can DPF Off be done on SIEMENS SID803?

Yes. The EcuPrime library has a verified DPF Off solution for SIEMENS SID803. When you upload your original file, compatibility is measured at hex level.

Can EGR Off be done on SIEMENS SID803?

Yes. The EcuPrime library has a verified EGR Off solution for SIEMENS SID803. When you upload your original file, compatibility is measured at hex level.

Can AdBlue / SCR Off be done on SIEMENS SID803?

Yes. The EcuPrime library has a verified AdBlue / SCR Off solution for SIEMENS SID803 (included in the Full Emission package). When you upload your original file, compatibility is measured at hex level.

Which brands use the SIEMENS SID803 ECU?

VOLVO, CITROEN, PEUGEOT, FORD, FIAT, in car vehicles. The links in the brand table lead to each brand's own list of operations.

How many credits does a SIEMENS SID803 job cost?

A module job costs 1 credit and Stage 1 costs 2 credits; no credit is charged if no result is delivered. Stage 1 + 1 module costs 3 credits; each further module +1 credit.

Start today

A free account for dealers and tuning pros: upload your file, see which operations work, apply your solution.

Create free account