LATEST · 29.10.2026

Opel Astra, Insignia and Zafira 1.6 / 2.0 CDTI: DPF, EGR on Bosch EDC17C59 and Delco E98

Opel Astra, Insignia and Zafira 1.6 / 2.0 CDTI: DPF, EGR on Bosch EDC17C59 and Delco E98

Opel’s 2.0 CDTI is common in the Insignia and Astra J, the newer 1.6 CDTI in the Astra K, Zafira Tourer and Insignia B. The first-generation 2.0 CDTI uses the Bosch EDC17C59; GM’s newer engines use the Delco E98. Files from Stage 1 to emission solutions are available at ECU Prime on these ECUs.

Which engine, which ECU?

  • Bosch EDC17C59: 2.0 CDTI (Insignia A, Astra J, Zafira C). Stage 1, Stage 2, DPF, EGR, lambda, swirl (TVA), emission package; combined Stage 1 + DPF + EGR.
  • Delco E98: 1.6 / 2.0 CDTI (Astra K, Insignia B, Zafira). Stage 1, Stage 2, AdBlue / SCR, DPF, EGR, NOx and emission package.
  • Bosch EDC17C18: Antara 2.0 / 2.2 CDTI. Stage 1, Stage 2, DPF and emission package.

Engine pages: Insignia 2.0 CDTI Stage 1, Astra 1.6 CDTI Stage 1. Models: Astra, Insignia, Zafira, Cascada and Antara.

The ECU type depends on model year and engine. The exact type is confirmed from the ECU label or by reading it with a diagnostic tool; send a photo of the label on WhatsApp and we will tell you which file applies.

Common faults

  • DPF loading and endless regeneration in city driving
  • Sooted EGR valve and cooler, loss of pulling power
  • AdBlue / SCR warning and NOx sensor failure
  • Boost pressure fault and limp mode

Service pages: Opel AdBlue fault solution, DPF fault solution, EGR fault solution.

How it works

  1. Reading: upload the original file read with your tool, or visit one of our locations.
  2. Calibration: the file is prepared for the exact engine and ECU software version, checksum corrected; the original is archived.
  3. Application and check: fault scan and run / road test after writing.

Workshops get the same solutions through the ECU Prime file service.

Emission-related software is offered only for uses permitted by applicable law (off-road / closed-site use, racing, export, diagnostics); road use and inspection compliance are the owner’s responsibility.

ECU solutions mentioned in this article

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FOR WORKSHOPS AND TUNERS

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For workshops

Prepare this file in your own workshop: ECU Prime

ECU Prime is chiptuning software that recognises the original ECU file you read with your tool and applies the operation you choose. The checksum is corrected in the same flow.

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