B0016 – Left Roof Rail Deployment Loop Step 1

B0016 Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How is B0016 Code Repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the corresponding cable harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the inflatable restraint system will allow current to flow through the deployment loop to deploy an inflatable restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent unwanted deployment of the inflator module during maintenance.

B0016 BUICK – Left Roof Rail Deployment Loop Step 1

B0016 BUICK Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How to Fix B0016 BUICK Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 BUICK Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the inflatable restraint system will allow current to flow through the deployment loop to deploy an inflatable restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent unwanted deployment of the inflatable module during maintenance.

Toyota’s Compact 2026 FJ: US Market Miss

Toyota’s Rugged Mini Land Cruiser Arrives in 2026

Automotive enthusiasts have eagerly anticipated a new compact off-roader for years, culminating in the upcoming Toyota FJ. This robust crossover, scheduled for a mid-2026 debut, promises to deliver the legendary Land Cruiser capability in a smaller, more agile package. However, reports from Automotive News confirm a significant disappointment for the North American market: this miniaturized adventurer will not be available for purchase in the United States or Canada.

Distinct Design and Dual Variants

The new Toyota FJ is not just a single model but will be offered in two distinct versions, each with a unique character. One variant leans into a modern, urban-friendly aesthetic with smoother lines and contemporary lighting signatures, designed for those who desire a rugged look for daily driving. The other version embraces a classic, boxy silhouette, paying direct homage to the iconic FJ Cruiser and older Land Cruiser models, complete with more pronounced wheel arches and traditional off-road cues.

Powertrain and Platform Strategy

Built on Toyota’s versatile TNGA-B platform, which also underpins models like the Corolla Cross and Yaris Cross, the FJ is engineered for global markets. The powertrain options are expected to focus on efficiency without sacrificing performance. A hybrid system is almost certain to be the primary offering, combining a fuel-efficient gasoline engine with electric motors to provide ample torque for light off-roading and improved fuel economy for city commuting.

Why It’s Bypassing America

The decision to skip the US market is primarily a strategic one based on consumer trends and regulatory landscapes. Toyota’s analysis suggests that American buyer preference is shifting towards larger SUVs and trucks, leaving less room for a compact, niche off-roader in their lineup. Furthermore, meeting stringent US safety and emissions standards for a specialized model with potentially lower sales volume presents a financial challenge that does not align with the company’s broader North American strategy, which is currently focused on electrifying its core models like the Tacoma, Tundra, and RAV4.

A Global Off-Roader with a Notable Absence

While the Toyota FJ 2026 is poised to become a popular choice in markets across Europe, Asia, and Australia, its absence will leave a noticeable gap in the American compact off-road segment. It represents a modern interpretation of a go-anywhere vehicle, designed for a global audience that values both heritage and practicality. For US-based fans of the brand’s rugged heritage, the wait for a true, compact spiritual successor to the FJ Cruiser continues.

B0016 CADILLAC – Left roof rail deployment loop step 1

B0016 CADILLAC Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in the left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How to Fix B0016 CADILLAC Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 CADILLAC Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the airbag system will allow current to flow through the deployment loop to deploy an airbag restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent accidental deployment of the inflatable module during maintenance.

B0016 CHEVROLET – Left Roof Rail Deployment Loop Step 1

Meaning of Code B0016:
This code indicates a problem detected by the Sensing and Diagnostic Module (SDM) in the left roof rail Stage 1 deployment loop. This circuit controls the deployment of the driver’s side side-impact airbag (curtain) during a sufficiently severe side or frontal collision. The SDM continuously monitors the electrical resistance of this loop.

Main Symptom:

  • The airbag warning light (SRI – Service Restraint Indicator) remains illuminated on the dashboard.

Possible Causes:

  1. Failure of the Left Side Airbag Module (Roof Rail): The module itself may be damaged.

  2. Wiring Harness Problem:

    • Open circuit (cut or broken wire).

    • Short to battery (+12V).

    • Short to ground (GND).

    • Excessively high electrical resistance (above the SDM threshold).

    • Excessively low electrical resistance (below the SDM threshold).

  3. Faulty Electrical Connection:

    • Improperly seated, loose, or damaged connectors.

    • Broken, bent, pushed back, or corroded connector pins.

    • Oxidation or dirt in the connectors.

  4. SDM Module Failure: The airbag control module itself could be the cause (less common).

Diagnostic and Repair Procedure:

  1. ABSOLUTE SAFETY: Before any work, disconnect the negative battery terminal and wait for the time specified in the repair manual (usually 10-15 minutes) to allow residual energy to dissipate. Airbags can deploy accidentally, causing serious injury.

  2. Visual Inspection:

    • Carefully inspect the wiring harness connecting the SDM to the left side airbag module (roof rail), along its entire length. Look for obvious signs of damage (pinching, chafing, cuts).

    • Thoroughly inspect all involved connectors (at both ends of the harness, at the SDM and at the airbag module). Check:

      • The physical condition of the connector (broken?).

      • The condition of the pins (bent, broken, pushed back, corroded?).

      • The presence of dirt, moisture, or oxidation.

      • Proper connector locking.

  3. Electrical Diagnostic (requires specific tools – multimeter, scanner):

    • Using an accurate wiring diagram, check the continuity of the loop circuit.

    • Measure the loop resistance and compare it to the values specified by the manufacturer.

    • Test for the absence of short circuits to ground and to the battery on the relevant wires.

    • Use a scanner capable of communicating with the SDM to read specific sub-codes (B0016-01, -02, -04, -0D, -0E) which specify the type of electrical fault (short to +12V, short to ground, open circuit, high/low resistance). This guides the diagnosis.

  4. Repair:

    • If wiring harness/connector problem: Repair or replace the damaged section of the harness. Clean or replace faulty connectors. Ensure perfect connections.

    • If faulty airbag module: Replace the left side airbag module (roof rail). NEVER ATTEMPT TO REPAIR AN AIRBAG.

    • If faulty SDM: Replace the SDM module (after eliminating all other potential causes). Reprogramming is often required.

  5. Re-energizing: After repair, reconnect the battery. Clear the fault codes with a scanner. Verify that the SRI light turns off and does not return after a start cycle.

Important Technical Notes:

  • Shorting Bars: Airbag module connectors incorporate shorting bars. They automatically connect the “high” and “low” circuits of the deployment loop together when the connector is unplugged. This safety feature prevents accidental deployment during work.

  • DTC Sub-Codes: They specify the exact nature of the electrical anomaly detected by the SDM:

    • B0016-01: Short to Battery (+12V)

    • B0016-02: Short to Ground (GND)

    • B0016-04: Open Circuit

    • B0016-0D: Resistance Too High

    • B0016-0E: Resistance Too Low

WARNING: The SIR/SRS (airbag) system is potentially dangerous. If you are not properly trained and equipped, entrust the diagnosis and repair to a certified professional workshop.

B0016 GMC – Left Roof Rail Deployment Loop Step 1

B0016 GMC Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in the left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How to Fix B0016 GMC Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 GMC Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the inflatable restraint system will allow current to flow through the deployment loop to deploy an inflatable restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent accidental deployment of the inflatable module during maintenance.

Volkswagen ID Buzz Production Pause Amid EV Demand Shift

Volkswagen ID Buzz Production Temporarily Halted

Volkswagen has announced a temporary suspension of production for its all-electric ID Buzz model at its Hanover plant in Germany. This pause reflects a broader slowdown in electric vehicle demand and shifting market conditions that are impacting automakers worldwide.

Production Timeline and Market Context

The production halt occurred from October 20 to October 24, according to the automaker’s official statements. This strategic decision comes as Volkswagen responds to changing consumer preferences and economic pressures affecting the electric vehicle sector. Industry analysts note that rising energy costs and infrastructure challenges have contributed to cooled enthusiasm for EV adoption in key European markets.

Broader Industry Implications

The temporary production stoppage of the iconic electric van signals Volkswagen’s adaptive manufacturing strategy in response to market realities. Other major automakers have similarly adjusted their electric vehicle production schedules in recent months, indicating this isn’t an isolated phenomenon but rather an industry-wide recalibration.

Despite this temporary pause, Volkswagen maintains its long-term commitment to electrification, with the ID Buzz representing an important part of the company’s electric future. The distinctive vehicle has garnered significant attention for its retro-modern design that pays homage to the classic Volkswagen Microbus while incorporating cutting-edge electric technology.

Future Outlook for Electric Vans

The commercial and passenger versions of the ID Buzz continue to hold strategic importance in Volkswagen’s electric portfolio. Market observers suggest that such production adjustments represent prudent business practices rather than diminished confidence in electric mobility. As charging infrastructure expands and battery technology improves, the demand for electric vehicles like the ID Buzz is expected to regain momentum across global markets.

B0016 PONTIAC – Left Roof Rail Deployment Loop Step 1

B0016 PONTIAC Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How to Fix B0016 PONTIAC Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 PONTIAC Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the inflatable restraint system will allow current to flow through the deployment loop to deploy an inflatable restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent unwanted deployment of the inflatable module during maintenance.

B0016 SATURN – Left Roof Rail Deployment Loop Step 1

B0016 SATURN Possible Causes

  • Faulty left roof rail module
  • Left roof rail module harness is open or shorted
  • Poor electrical connection in the left roof rail module circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How to Fix B0016 SATURN Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.

Technical Notes

DTC B0016 01 Left Roof Rail Deployment Loop Stage 1 Short to Battery
DTC B0016 02 Left Roof Rail Deployment Loop Stage 1 Short to Ground
DTC B0016 04 Left Roof Rail Deployment Loop Stage 1 Open Circuit

DTC B0016 0D Left Roof Rail Deployment Loop Stage 1 Resistance Above Threshold
DTC B0016 0E Left Roof Rail Deployment Loop Stage 1 Resistance Below Threshold

Possible Symptoms

  • Airbag warning light illuminated

B0016 SATURN Meaning

During a side or frontal collision of sufficient force, the Sensing and Diagnostic Module (SDM) of the inflatable restraint system will allow current to flow into the deployment loop to deploy an inflatable restraint module. There are 2 shorting bars used in the module connector that will short the high and low circuits together when the connector is disconnected. This helps prevent unwanted deployment of the inflatable module during maintenance.

B0017 – Open Passenger Front Deployment Loop

B0017 Possible Causes

  • Faulty dashboard airbag
  • Dashboard airbag restraint harness is open or short-circuited
  • Poor electrical connection of the dashboard airbag restraint circuit
  • Faulty Sensing and Diagnostic Module (SDM)

How is B0017 Code Repaired?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Look for damaged components and check for broken, bent, pushed, or corroded connector pins.

Possible Symptoms

  • Airbag warning light illuminated

B0017 Meaning

The deployment loop of the Instrument Panel (I/P) Airbag Restraint Module consists of a two-stage I/P module, a high-side I/P module control circuit, and low-side I/P module control circuits for both stages 1 and 2. There are 2 shorting bars used in the I/P module connector that will short together the high-side and low-side I/P module control circuits for both stages 1 and 2 when the connector is disconnected. This helps prevent unintended deployment of the airbag module during maintenance. When the ignition is turned ON, the Sensing and Diagnostic Module (SDM) performs continuous diagnostic tests on the deployment loops to check for circuit continuity and shorts to ground or voltage. If a malfunction is detected, a Diagnostic Trouble Code (DTC) will be stored in memory.