13 Things About Dodge Ram 1500 Airbag Sensor You May Never Have Known

· 6 min read
13 Things About Dodge Ram 1500 Airbag Sensor You May Never Have Known

Ensuring Safety: A Comprehensive Guide to the Dodge Ram 1500 Airbag Sensor

The Dodge Ram 1500 is a cornerstone of the American automobile landscape, understood for its rugged efficiency, hauling capabilities, and fine-tuned interior. Nevertheless, beneath the metal and leather lies a complicated network of security systems designed to secure occupants in the event of a collision. Central to this network is the airbag sensor system. Comprehending how these sensing units function, recognizing signs of failure, and knowing the actions for upkeep or replacement is vital for any Ram owner or service technician.

This guide provides an in-depth appearance at the Dodge Ram 1500 airbag sensing unit system, covering its components, common concerns, and the necessary steps to ensure the vehicle remains a safe fortress for its travelers.

The Role of Airbag Sensors in the Supplemental Restraint System (SRS)

Modern vehicles like the Dodge Ram 1500 make use of a Supplemental Restraint System (SRS). This system is not meant to change seatbelts however to operate in tandem with them. The airbag sensing units act as the "anxious system" of the lorry. These components are tactically placed throughout the truck to discover sudden deceleration or physical impact.

When an impact happens, the sensors send an electrical signal to the Occupant Restraint Control (ORC) module, which functions as the "brain" of the SRS. The ORC assesses the severity of the effect and figures out whether to release the airbags and pretension the seatbelts. This whole procedure takes place within milliseconds-- faster than the blink of an eye.

Kinds Of Airbag Sensors in the Dodge Ram 1500

The Ram 1500 is equipped with different sensing units, each serving a specific function based on the direction and type of effect.

Sensor TypePrimary LocationFunction
Front Impact SensorsInstalled on the radiator assistance or front frame rails.Discovers head-on collisions and sets off front airbags.
Side Impact SensorsFound inside the doors or B-pillars.Triggers side-curtain and seat-mounted airbags during T-bone mishaps.
Rollover SensorsNormally integrated into the ORC module (center console area).Spots the lorry's pitch and roll angle to release side curtains in a rollover.
Occupant Classifcation Sensor (OCS)Inside the passenger seat cushion.Identifies the weight of the traveler to change or disable airbag deployment for children.

Typical Symptoms of a Failing Airbag Sensor

When an air bag sensor fails, the lorry's computer system generally spots the abnormality right away. Since the SRS is important for security, the lorry will alert the driver through numerous indicators.

1. The SRS Warning Light

The most typical symptom is the lighting of the "Airbag" or "SRS" light on the instrument cluster. Under normal conditions, this light needs to switch on briefly when the ignition is started and after that vanish. If it remains lit or flashes while driving, the system has found a fault and has most likely handicapped the airbag system.

2. Audible Chimes

In many Dodge Ram models, a relentless caution light is accompanied by a chime or "ping" sound when the vehicle is begun. This is developed to guarantee the driver does not ignore the visual caution on the control panel.

3. Diagnostic Trouble Codes (DTCs)

If a scanner is plugged into the On-Board Diagnostics (OBD-II) port, specific codes will appear. Typical codes for Dodge Ram airbag problems consist of:

  • B0001: Driver Frontal Stage 1 Deployment Control.
  • B1B02: Driver Airbag Squib 2 Circuit Low.
  • B1B06: Passenger Airbag Squib 2 Circuit Low.
  • B2207: Occupant Restraint Controller Internal.

Reasons For Airbag Sensor Failure

Numerous factors can cause the breakdown of an air bag sensing unit in a Dodge Ram 1500. Provided the truck's use in requiring environments, environmental factors often play a large role.

  • Corrosion: Because front effect sensing units are located near the grille and frame, they are exposed to road salt, moisture, and debris. Over time, the electrical adapters can rust, breaking the circuit.
  • Minor Collisions: Even a little "minor car accident" that doesn't release the airbags can harm the internal components of a sensing unit, rendering it unresponsive.
  • Water Damage: If the interior of the truck experiences a leak (common in older designs with dripping third brake lights or sunroof drains pipes), moisture can seep into the B-pillar sensing units or the ORC module under the center console.
  • Circuitry Issues: The electrical wiring harnesses under the seats are susceptible to being pinched or detached when seats are moved frequently, often impacting the Occupant Classification Sensor.

Historical Recalls and Safety Concerns

Owners of the Dodge Ram 1500 should know historic recalls connected to the air bag system. Fiat Chrysler Automobiles (FCA) has actually released a number of remembers for many years to attend to software application and hardware defects.

  1. ORC Module Software (2013-2016 Models): A significant recall was released for these years due to the fact that a software error might avoid the side airbags and seatbelt pretensioners from releasing during a rollover.
  2. Clock Spring Failures: While not a sensor itself, the clock spring in the guiding wheel often fails in older Rams, breaking the connection to the driver-side air bag and triggering the SRS light.
  3. Sensor Housing Cracks: Some designs faced problems where the plastic real estate of the impact sensing units would break, permitting wetness to get in and short-circuit the unit.

To examine if a particular Dodge Ram 1500 is impacted by a recall, owners must check out the Mopar or NHTSA site and enter their car's 17-digit VIN.


Diagnosis and Repair: What to Expect

Detecting an air bag problem is not a typical DIY task for the average lover because it needs a customized scan tool capable of reading SRS/ABS codes (standard cheap OBD-II scanners often only read engine codes).

The Diagnostic Process

  1. Scanning: A technician recovers the particular DTC to determine which sensor is stopping working.
  2. Visual Inspection: Checking the electrical wiring harness and the sensing unit's physical condition for indications of corrosion or impact.
  3. Circuit Testing: Using a multimeter to look for continuity in the electrical wiring (Caution: This should be made with the battery disconnected to prevent unexpected deployment).

Replacement Steps

If a sensing unit is verified faulty, replacement follows these basic steps:

  • Power Down: The battery must be detached, and the system needs to sit for at least 10-- 15 minutes to enable the capacitors to release.
  • Accessing the Sensor: Depending on the sensor, this may include getting rid of the front grille, interior trim panels, or the front seats.
  • Component Swap: The old sensing unit is unbolted, and the brand-new OEM (Original Equipment Manufacturer) sensor is installed.
  • System Reset: The professional clears the codes and carries out a "proxy alignment" or system calibration to ensure the new sensor is acknowledged by the ORC module.
Part/ServiceApproximated Cost (GBP)
Replacement Sensor Part₤ 80 - ₤ 200
Diagnostic Fee₤ 100 - ₤ 150
Labor (1-2 hours)₤ 150 - ₤ 300
Total Estimated Cost₤ 330 - ₤ 650

Frequently Asked Questions (FAQ)

Can I drive my Dodge Ram with the airbag light on?

While the truck remains drivable, it is highly dissuaded. When the SRS light is lit up, the system is in "fault mode," which generally implies the airbags will not release in case of an accident. This significantly increases the danger of injury or death.

Where is the air bag sensor located on a 2019+ Dodge Ram 1500?

The 5th-generation Ram (DT) has impact sensing units located behind the front bumper cover on the frame rails and side effect sensing units situated in the lower part of the B-pillars and C-pillars.

Will a blown fuse trigger the airbag light to come on?

Yes. If the fuse responsible for the SRS or ORC module blows, the system will lose power and activate the caution light. Inspecting the fuse box is typically the first and most affordable diagnostic step.

Do I have to use OEM parts for airbag sensors?

It is highly recommended to utilize OEM Mopar sensors. The SRS is a life-saving system adjusted particularly to the lorry's crush zones and weight. Aftermarket sensing units might not have the very same precision or action times, potentially resulting in failure during a crash.

Can water leaks set off the air bag light in a Ram 1500?

Yes. A common concern in Ram trucks is a dripping 3rd brake light which permits water to travel down the back of the taxi and soak the floorboards.  click here  can reach the ORC module or the electrical wiring harnesses under the seats, triggering the air bag light to brighten.


The airbag sensor system in the Dodge Ram 1500 is an advanced network developed with one goal: occupant security. While these parts are developed to be resilient, they are not unsusceptible to the impacts of time, environment, and mechanical failure. Keeping this system is not almost keeping a caution light off the dashboard; it is about making sure that the truck's most important security feature is ready to perform when it is required most.

Ram owners should stay watchful relating to SRS warning lights and address any concerns immediately through professional diagnostics. By comprehending the area, function, and common failure points of these sensing units, motorists can guarantee their Dodge Ram 1500 remains one of the most safe lorries on the roadway.