Toggle Side Panel

Shopping Cart

No products in the basket.

Shopping Cart

No products in the basket.

Close search
Home / DTC / B1A23 — Control of driver airbag deployment - stage 2 - short circuit in the circuit of

B1A23 — Control of driver airbag deployment - stage 2 - short circuit in the circuit of

Detailed page for trouble code B1A23.

34,405codes
59brands
11,914generic
22,491specific
All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts
Reset
Code

B1A23

LAND ROVER B — Body

Control of driver airbag deployment - stage 2 - short circuit in the circuit of

Brand: LAND ROVER
Type: B — Body
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Damaged or chafed wiring in the driver airbag stage-2 circuit
  • Corroded or loose connector at the airbag squib, clock spring or SRS module
  • Short to ground or short to battery on the squib wiring
  • Faulty driver airbag inflator/squib with internal short
  • Faulty clock spring (spiral cable) in the steering column
  • Faulty or damaged SRS control module

Symptoms

  • SRS/airbag warning lamp illuminated on instrument cluster
  • Stored B1A23 (and possibly related SRS) codes in the airbag module
  • Driver airbag stage-2 may be disabled (no deploy signal)
  • Possible related faults for seatbelt pretensioners or other airbags
  • Intermittent illumination with steering movement if clock spring is involved

What to check

  • Read SRS module memory with a compatible scan tool; note freeze-frame and related codes
  • Record battery voltage; perform repairs with adequate battery voltage
  • Perform a careful visual inspection of driver airbag wiring, connectors, steering column and dash harness
  • Inspect clock spring/spiral cable for damage, wear or contamination
  • Check connector pins for corrosion, pushed-out pins or bent terminals
  • Verify no aftermarket accessories are connected to SRS wiring

Signal parameters

  • Squib/circuit resistance: typically low (single-digit ohms). Consult the vehicle's service manual for the exact resistance specification for stage-2 driver squib
  • Open-circuit indication: very high/OL resistance between squib leads
  • Short indication: near 0 Ω between squib lead and ground or between squib lead and battery feed
  • No diagnostic firing voltage should be present during testing — do not attempt to trigger deployment; only measure resistance/continuity with system disabled
  • Module fault memory and freeze-frame parameters available from SRS scan tool

Diagnostic algorithm

  1. Safety first: follow manufacturer procedure to disable the SRS system — disconnect battery negative and wait the specified time for capacitor discharge before touching connectors.
  2. Use a diagnostic scan tool to read and record all SRS codes and freeze-frame data; clear codes only after repairs.
  3. Visually inspect driver airbag connector(s), wiring from the airbag to the clock spring and from the clock spring to the SRS module for damage, burns, pinching, or corrosion.
  4. Inspect the clock spring for wear or damage. If steering-related symptoms present, consider clock spring replacement/testing per service manual.
  5. With the SRS system disabled and connectors unplugged, measure resistance across the stage-2 squib leads. Compare to service manual specification. A near-zero reading to ground indicates a short; infinite/OL indicates open.
  6. Check for continuity from each squib wire to ground and to battery positive to identify short to chassis or battery rail.
  7. If short is in harness, perform back-probing or isolate sections of wiring as needed to locate the short (unplug connectors at intermediate points until the short disappears).
  8. Repair or replace damaged wiring, connectors, clock spring, or squib as required. Replace the SRS control module only if module failure is confirmed by tests and service procedures.
  9. After repairs and reconnecting components, reconnect the battery, use the scan tool to clear codes and confirm no new SRS faults. Verify SRS lamp extinguishes and perform any required system initializations/calibrations.
  10. If code returns or diagnostic uncertainty remains, consult Land Rover technical documentation or escalate to a qualified SRS specialist.

Likely causes

  • Shorted squib (internal short in the stage-2 inflator)
  • Damaged clock spring causing short when steering is turned
  • Pinched/chafed harness behind steering column or under dash
  • Corroded/contaminated connector at the airbag or module
  • Intermittent short from aftermarket equipment or poor splice

Fault status

⚠️ Status
Control of driver airbag deployment - stage 2: short circuit detected in the stage-2 airbag/squib circuit. SRS fault stored; repair wiring, connectors, clock spring or squib as required and verify system operation.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1A21 B1A24 B1A2A B1A2B
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .