5WS4 0281A-T Siemens SID803 original ECU file – Citroen C4 2.0 136hp

HW numbers next to 5WS4 0281A-T

The closest HW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.

Other numbers for the Citroen C4 2.0 136hp

23 files cover exactly this car and engine, on Siemens SID803A (17), Siemens SID803 (4), Magneti Marelli IAW 6LPB (1). If your ECU reads differently from this page, 12 of the others:

This file's map pack against other Siemens SID803 packs

Its pack names 39 maps. The 44 Siemens SID803 packs in the archive have 29 to 39 maps, median 32.5; 91% of them name fewer than this one.

Named here but in under a quarter of the Siemens SID803 packs: Maximum torque limiter f(fuel_T), Injection timing - Main Injection Base Map 1, Rail pressure limiter, Injection timing - Main Injection Base Map 2, Smoke limitation - Lower Lambda value.

This ECU and car in figures

Siemens SID803: 79 files, 46 SW numbers, 44 with a map pack. Makes: Ford (37), Peugeot (20), Volvo (16), Citroen (6). Most listed: Ford Focus C-MAX (19), Ford Focus (18), Volvo V50 (15), Peugeot 307 (12).

Citroen C4: 236 files. ECU types: Bosch EDC16C34 (84), Siemens SID803A (39), Continental SID807 (26), Bosch MEV17.4.2 (14). Engine codes: RHR (DW10BTED4) (8), 5FW (EP6) (6), 9HY (DV6TED4) (5), 9HP (DV6DTED) (4).