Intro: This technical information provides guidance on troubleshooting and resolving the “Engine Control Fault” message displayed in the instrument cluster on Porsche 911 (992) models. The issue is associated with fault memory entries stored in the DME control unit.
The following models are affected:
- 911 Carrera (992)
- 911 Carrera 4 (992)
- 911 Carrera T (992)
- 911 Carrera S (992)
- 911 Carrera 45 (992)
- 911 Targa 4 (992)
- 911 Targa 45 (992)
- 911 Targa 4 GTS (992)
- 911 Turbo (992)
- 911 Turbo S (992)
- 911 Dakar (992)
Preconditions for troubleshooting include:
- A “Engine control system fault” message in the instrument cluster
- Two or more fault memory entries stored in the DME control unit, related to fuel injectors (Cylinders 1-6)
The troubleshooting steps involve:
- Re-programming the DME control unit using the PIWIS Tester
- Checking affected injector lines for chafing points and repairing the wire harness if necessary
- Performing fault diagnosis on the DME control unit if the injector wire harness is normal
This technical information provides detailed instructions, including programming sequences and procedures, to help resolve the issue. Contact Porsche customer service if you have any questions or concerns.
Manual:
Download: Porsche 911 (992), AfterSalesService Technical Information 2, 201/23ENU, 2470
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