Kia Optima: Trouble Diagnostics When Using GDS - Body Control Module (BCM). Repair procedures - BCM (Body Control Module) - Body Electrical System - Kia Optima TF 2011-2023 Service ManualKia Optima: Trouble Diagnostics When Using GDS

1. The body control module can diagnose by using the GDS more quickly.

The BCM communicates with the GDS and then reads the input/output value and drives the actuator.

2. To diagnose the BCM function, select the menu of model and body control module.
3. To consult the present input/output value of BCM, "Current DATA". It provides information of BCM input/output conditions of power supply, turn signal/brake lamp, headlamp, door, locks, outside mirror, wiper, auto-light and transmitters etc.
A. BCM Service data

B. CLU(Cluster) Service data

C. SJB(Smart junction box) Service data

4. To perform compulsory operation on BCM input factors, select "ACTUATION TEST".


Body Control Module (BCM). Repair procedures
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Removal
1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel (A). 3. Remove the reinforce panel after loosening th ...

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