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.
Diagnostic Test
- CHECK ENGINE ANTENNA CONNECTION
- Gain access to the RF Hub connectors. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
- Disconnect and reconnect the Remote Start Antenna at the RF Hub module. Refer to ANTENNA, REMOTE START, REMOVAL .
- Using the scan tool, record and erase the DTCs.
- Turn the ignition to the Lock position.
- Start the engine and allow to run for 30 seconds.
- Using the scan tool, read the active DTCs.
Does the scan tool display; B1A76-13-REMOTE START ANTENNA CIRCUIT - CIRCUIT OPEN?
Yes
- Go To 2.
No
- Test complete.
- Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
- CHECK ENGINE ANTENNA CONNECTION
- Disconnect the Remote Start Antenna.
- Replace the antenna with a known good antenna.
- Turn the ignition to the Lock position.
- Start the engine and allow to run for 30 seconds.
- Using the scan tool, read the active DTCs.
Does the scan tool display; B1A76-13-REMOTE START ANTENNA CIRCUIT - CIRCUIT OPEN?
Yes
- Replace the Radio Frequency Hub in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
- Replace the Steering Column Lock Module in accordance with the Service Information. Refer to MODULE, SHAFT LOCK, REMOVAL .
- Refer to STANDARD PROCEDURE and perform the RADIO FREQUENCY HUB VERIFICATION TEST.
NOTE:If this vehicle is equipped with a Steering Column Lock Module (Export), it MUST be replaced also.
No
- Replace the Remote Start Antenna in accordance with the Service Information. Refer to ANTENNA, REMOTE START, REMOVAL .
- Refer to STANDARD PROCEDURE and perform the BODY VERIFICATION TEST.
NO RELATED
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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.