Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Sensor Electronics Control Module -J849-, Removing And Installing: Installing
-- Install in reverse order of removal.
-- Mount the Sensor Electronics Control Module -J849- on the four bolts.
When installing the Sensor Electronics Control Module -J849- -2- make sure it is correctly seated in its mounting and is free of stress.
Push the Sensor Electronics Control Module -J849- into position without using the bolts or using force.
-- Install all four nuts -1-.
-- Tighten all four nuts -1- to 9 Nm.
-- Connect the connector -3-.
Start the program in Guided Functions on the Vehicle Diagnostic Tester if the control module is replaced.
-- Connect the Vehicle Diagnostic Tester to the vehicle data link connector with the ignition switched off.
Switch the ignition on.
DTC memory interrogated, errors shown corrected and DTC memory erased.
-- Start the program in Guided Functions.
Use the Manual With the Right Hardware
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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.