how to fix the side airbags not deploying in Ram 1500 DT (2019-Present)

Ram 1500 DT (2019-Present)

Error Codes

3-5 hours

Time

hard

Difficulty

critical

Severity

4 min read

627 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix side airbags not deploying in Ram 1500 DT (2019-Present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

3-5 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Always disconnect the battery before working on the airbag system to prevent accidental deployment.
•Allow the vehicle to sit for at least 10 minutes after disconnecting the battery before starting work on the airbag components.

Symptoms

•Airbag warning light illuminated on the dashboard
•Side airbags not deploying during simulated crash tests
•Inconsistent behavior of other airbags (e.g., front airbags deploying, side airbags not)
•Diagnostic trouble codes (DTCs) related to the airbag system present when scanned
•Possible loss of power or malfunction in the central airbag control module (ACM)

Diagnostic Steps

1
Scan the vehicle’s OBD-II system using a compatible scanner to retrieve airbag-related DTCs.
2
Inspect the airbag system wiring and connectors for any visible damage or corrosion.
3
Check the airbag control module (ACM) for proper mounting and connections.
4
Test the impact sensors to ensure they are functioning correctly.
5
Verify that the vehicle's battery is fully charged and that the electrical system is functioning properly.
6
Review the vehicle's service history for prior airbag system repairs or recalls.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench
•Wiring diagram
•Safety glasses
•Gloves
•Trim removal tools

Parts Required

•Airbag control module (if faulty)
•Impact sensors (if faulty)
•Wiring connectors (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Symptoms

•Airbag warning light illuminated on the dashboard

•Side airbags not deploying during simulated crash tests

•Inconsistent behavior of other airbags (e.g., front airbags deploying, side airbags not)

•Diagnostic trouble codes (DTCs) related to the airbag system present when scanned

•Possible loss of power or malfunction in the central airbag control module (ACM)

Diagnostic Steps

1
Scan the vehicle’s OBD-II system using a compatible scanner to retrieve airbag-related DTCs.
2
Inspect the airbag system wiring and connectors for any visible damage or corrosion.
3
Check the airbag control module (ACM) for proper mounting and connections.
4
Test the impact sensors to ensure they are functioning correctly.
5
Verify that the vehicle's battery is fully charged and that the electrical system is functioning properly.
6
Review the vehicle's service history for prior airbag system repairs or recalls.

Solution

1. Preparation

Tools Required: OBD-II scanner, multimeter, socket set, torque wrench, wiring diagram, safety glasses, gloves
Disconnect the vehicle's negative battery terminal to prevent any accidental deployment of the airbags during repair.

2. Inspect and Repair Wiring

Sub-steps:
1. Remove the driver and passenger side door panels using a socket set and trim removal tools.
2. Inspect the wiring harness connected to the side airbags for frays, breaks, or corrosion.
3. Repair any damaged wires by splicing in new wire sections and soldering them securely.
4. Ensure that all connectors are clean and secure. Replace any faulty connectors as necessary.

3. Test and Replace Impact Sensors

Sub-steps:
1. Locate the impact sensors, typically found near the front of the vehicle or in the engine bay.
2. Disconnect the sensors and test them with a multimeter according to the manufacturer’s specifications.
3. If any sensor is faulty, replace it with a new unit using OEM parts.
4. Reconnect the sensors and securely mount them back into position.

4. Check and Replace Airbag Control Module (if necessary)

Sub-steps:
1. Locate the airbag control module, usually found under the dashboard or center console.
2. Disconnect the module and inspect the connectors for damage.
3. If DTCs indicate a failure of the ACM, replace it with a new unit.
4. Reconnect the module and ensure it is securely mounted.

5. Reconnect Battery and Clear Codes

Sub-steps:
1. Reconnect the negative battery terminal.
2. Use the OBD-II scanner to clear any DTCs from the airbag system.
3. Perform a system reset by cycling the ignition key.