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WikiSiemens MS43History

Siemens MS43

Revision 1

by llandowtuninguk@gmail.com
Add curated starter reference (2026-11-10.1)

This is a historical revision. Read the current page or return to its history.

Page organisation in this revision
Page type
ECU hub
Subject
ECUs
Parent
Siemens MS
Applies to
No ECU-specific applicability
Tool groups
Not recorded in this older revision
Manufacturers
Not recorded in this older revision

Identification and scope

MS4X associates MS43 with the M54 engine and a C167 processor with 512 kB flash. Its reference covers load, fueling, ignition, VANOS and driver demand.

Reference topics

Follow the cited family reference for the full memory layout and map descriptions. Record the software identifier with each definition; include units, axes and operating conditions when expanding a map entry.

MS42 and MS43 load reference provides a shared introduction to their load terminology.

Sources

Curated reference notes. Applicability follows the cited sources; hardware testing by this wiki is not implied.