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HOMESERVICE MANUALSSAAB20109-5REPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICESBUS AND DIAGNOSTICS COMMUNICATIONADJUSTMENT REPLACEMENTENGINE CONTROL MODULE PROGRAMMING AND SETUP (LLU)BEFORE PROGRAMMING THE ENGINE CONTROL MODULE
2010 Saab 9-5

Before Programming The Engine Control Module

2010 Saab 9-5SECTION Before Programming The Engine Control Module
NOTE: DO NOT program a control module unless you are directed by a service procedure or you are directed by a service bulletin. Programming a control module at any other time will not permanently correct a customers concern.

The following criteria must be met before performing the programming or learning procedure:

  • There are no charging system concern. All charging system concerns must be repaired before programming a control module.
  • Battery voltage is between 12-16 V. The battery must be charged before programming the control module if the battery voltage is low.
  • A battery charger is NOT connected to the vehicle battery. Incorrect system voltage or voltage fluctuations from a battery charger may affect programming or control module damage.
  • Note the engine oil Life remaining percentage.
  • Turn OFF or disable any of the following systems that may put a load on the vehicle battery:
    • Twilight sentinel
    • Interior lights
    • Daytime running lights
    • HVAC systems
    • Radio
    • Engine cooling fans, etc
  • The ignition switch is in the proper position. The scan tool requests that you turn the ignition ON with the engine off. Do NOT change the position of the ignition switch unless you are requested to do so.
  • All of the following tool connections are secure:
    • The connection at the data link connector (DLC)
    • The voltage supply circuits

DO NOT disturb the tool harnesses while programming. If an interruption occurs during the programming procedure, the control module programming may be affected or control module damage may occur.

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.