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Home >> Jeep >> 2021 >> Cherokee Altitude, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Electronic Control Modules (Service Information) >> Module, Electronic Steering Lock (ESL) >> Installation
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Module, Electronic Steering Lock (ESL): Installation

NOTE:

The Radio Frequency Hub (RF-Hub) must be replaced with the Electronic Steering Lock (ESL) module. 

WARNING:

To avoid serious or fatal injury on vehicles equipped with airbags, disable the Supplemental Restraint System (SRS) before attempting any steering wheel, steering column, airbags, airbag curtains, knee blocker, seat belt tensioner, impact sensor or instrument panel component diagnosis or service. Disconnect the Intelligent Battery Sensor (IBS)/negative battery cable assembly from the negative battery post, then wait two minutes for the system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the SRS. Failure to take the proper precautions could result in accidental airbag deployment.

NOTE:

A diagnostic scan tool MUST be used to initialize the new ESL module before the vehicle can be operated.

NOTE:

If this Electronic Control Unit (ECU) is being replaced with a new unit, a diagnostic scan tool MUST be used to determine if alignment of the PROXI configuration data into the new ECU is needed. If PROXI alignment is needed, follow the routine outlined in the diagnostic scan tool for PROXI Configuration Alignment under the Body Control Module (BCM) Miscellaneous Functions menu.

  1. Position the ESL module on the steering column.
    GC0181664Courtesy of CHRYSLER GROUP, LLC
  2. Install the fasteners (2) and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS  .
  3. Connect the wire harness connector (1) to the ESL module (3).
  4. Install the steering column. Refer to COLUMN, INSTALLATION .
  5. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
  6. Connect the diagnostic scan tool to the vehicle.
  7. Navigate to the BCM ECU "Misc Functions" menu.
  8. Select and run the " Immobilizer ECU Replace " routine. If other immobilizer components are replaced with the ESL, review the IMMOBILIZER COMPONENTS AND REPLACEMENT GUIDE before performing this routine. Refer to MODULE REPLACEMENT GUIDE (RF-HUB, PCM, BCM, ESL)  .
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