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OBD code information sheet

https://dvireports.com/b0005

Fault codes OBDAuto
B0005

Collapsible steering column — deployment control

Safe to keep driving?Caution / Repair soonArrange diagnosis soon

Arrange diagnosis soon. A limited journey may be reasonable only if the vehicle runs normally without red warnings, abnormal temperature or severe loss of power. Stop safely if serious symptoms develop.

LowCautionCritical
System groupBody & comfortSupplemental restraint system (SRS)

Technical explanation

In the referenced restraint-system definition, B0005 concerns deployment control of a collapsible steering column. Its suffix can change the diagnosis completely. JLR documents B0005-56 as an incompatible RCM configuration after module replacement on specified North American Evoque L538 vehicles; that software case must not be generalised to every car.

Symptoms

  • B0005 stored in the restraints control module.

  • In the documented configuration case, B0002-13 may also be recorded after RCM replacement.

Possible causes — professional SRS evaluation

Documented possibilities, not confirmed failures. Only qualified personnel should diagnose pyrotechnic circuits; never physically test airbag or pretensioner devices.

Only these cause categories are documented for this record; we do not invent additional suspects to make a top three.

  1. Other suffixes require their own OEM circuit or configuration diagnosis; this example does not establish a mechanical steering fault.

    Case-dependent

    Other suffixes require their own OEM circuit or configuration diagnosis; this example does not establish a mechanical steering fault.

  2. For the specified B0005-56 case: software selection based on an older replacement-module software level rather than the vehicle's as-built level.

    Case-dependent

    For the specified B0005-56 case: software selection based on an older replacement-module software level rather than the vehicle's as-built level.

All causes in the technical record

Some causes overlap with the shortlist above; this is not a probability ranking.

  • For the specified B0005-56 case: software selection based on an older replacement-module software level rather than the vehicle's as-built level.
  • Other suffixes require their own OEM circuit or configuration diagnosis; this example does not establish a mechanical steering fault.

Safe next steps — professional workshop checks

Steps to document the fault and prepare for an SRS specialist visit. This is not a procedure for disassembling, measuring or testing deployment devices.

Safety: Pyrotechnic safety system: NEVER disconnect, energize, probe or use a multimeter on airbag, pretensioner or column deployment circuits. Do not manipulate the steering wheel/airbag to reproduce the fault. Seek professional SRS diagnosis; do not assume protection works when a warning is active.

  1. 1

    Read full RCM code and manufacturer suffix

    Read the full code in the RCM and confirm the manufacturer definition; do not use a steering-lock procedure from a different model.

  2. 2

    Record whether the fault followed RCM replacement

    Establish whether the fault first appeared after RCM replacement and whether B0002-13 is also present.

  3. 3

    Do not assume a different vehicle bulletin applies

    The historical SSM74577 patch is evidence of a configuration cause, not a current universal programming instruction. Confirm any superseding guidance before programming.

  4. 4

    Seek qualified SRS diagnosis and post-repair self-test

    For another vehicle or suffix, follow its SRS diagnostic procedure. Do not probe deployment devices. Verify fault clearance and the prescribed SRS self-test after the confirmed repair.

Final verification by an SRS workshop only

Never work on deployment circuits; the workshop must follow the VIN-specific deactivation and self-test procedure.

SRS self-check and evaluation by a qualified technician

You need:Compatible SRS diagnostic scannerVIN-specific SRS service informationQualified SRS technician/workshop

  1. For another vehicle or suffix, follow its SRS diagnostic procedure. Do not probe deployment devices. Verify fault clearance and the prescribed SRS self-test after the confirmed repair.

What you should see: Only a qualified technician can confirm the repair using the VIN-specific safety-module and self-test procedure.

Never probe, energize, bridge or measure pyrotechnic circuits. Do not attempt airbag, pretensioner or deployment-device disassembly.

Technical references for verification

Full technical diagnosis — additional checks

Step-by-step diagnosis

Checks

Work through the steps before replacing parts. Adapt the checks to the manufacturer’s procedure.

  1. Read the full code in the RCM and confirm the manufacturer definition; do not use a steering-lock procedure from a different model.

  2. Establish whether the fault first appeared after RCM replacement and whether B0002-13 is also present.

  3. For an applicable Evoque L538 NAS with B0005-56, have the workshop verify replacement-module software and as-built configuration against the current JLR service instructions.

  4. The historical SSM74577 patch is evidence of a configuration cause, not a current universal programming instruction. Confirm any superseding guidance before programming.

  5. For another vehicle or suffix, follow its SRS diagnostic procedure. Do not probe deployment devices. Verify fault clearance and the prescribed SRS self-test after the confirmed repair.

Components to check

This list does not confirm failed components and is not a replacement recommendation. Verify the fault cause and vehicle applicability first.

  • Verify RCM software/configuration before considering replacement in the documented post-replacement case.

Make- and engine-specific notes

Documented configurations, not proven common defects for all makes or engines. Selecting a vehicle narrows the results.

No reviewed engine-specific exception is available for the selected configuration. Use only the general checks and obtain the exact engine procedure.

Notes are diagnostic leads, not proven faults or disassembly instructions. Do not work on brakes, fuel systems or hot components without proper training.

Check the fuses before ordering a part

An OBD code describes a detected condition; it does not tell you which part to replace. Start with the fuse for the affected circuit.

Find the fuse for your vehicleChoose the make and model, then look up the fuse position in the catalogue.

If the fuse is good, carry on like this:

  1. Check the relevant supplies and connectionsWhere the diagnostic procedure calls for electrical checks, verify supply, ground and connectors under the manufacturer’s activation conditions.
  2. Run the specified component testUse the manufacturer’s test for this code and component before deciding it has failed.
  3. Order only after the fault is demonstratedReplace a part only when the prescribed tests identify it as defective.
Check details
  • Identify the circuit and any relevant fuse: Confirm the vehicle, engine, code meaning and stored operating conditions first. A fuse link is a location aid, not evidence that the fuse caused this code. Use the specified type and rating; do not repeatedly replace a fuse that opens.
  • Check the relevant supplies and connections: Use the specified engine state, circuit conditions and expected values. Have live measurements performed by someone qualified. For non-electrical faults, follow the relevant mechanical, fluid, pressure or leak checks instead.
  • Run the specified component test: Do not apply a generic resistance range. Any resistance or continuity test requires a de-energized circuit and an isolated component, with the correct pins and temperature from the procedure. Some components need a different kind of test.
  • Order only after the fault is demonstrated: If results are normal, continue the relevant wiring, control, mechanical or intermittent diagnosis. Check for related faults and verify the repair under the required conditions. A code or a completed checklist alone does not justify replacement.
Fluke · Continuity testing

If the procedure involves airbag/SRS, pretensioners or a high-voltage system, stop DIY testing and use qualified service. Do not probe these circuits with a multimeter.

Vehicle experiences and cases

User-reported cases published after moderation. Approval does not verify the diagnosis; the same code can have different causes.

No experiences have been published for this definition yet. You can be the first to share the checks and outcome.

See all vehicle experiences

Manuals, components and vehicle guides

Find the relevant procedure in the workshop manual for your vehicle. A fault code alone does not identify a failed part, powertrain or exact schematic.

Find workshop manual / diagramComponents to checkRelated issues and checks

Manuals open at their original source. Exact diagram availability depends on the build year, engine and manufacturer access.

Airbags and pretensioners

General system guidance · not a confirmed diagnosis

Confirm the exact SRS definition and subtype using compatible equipment. A single code cannot establish occupant protection.

The association is based on the imported description. This information explains the system; it does not confirm a procedure for the exact code, model or engine. Verify applicability in manufacturer documentation.

Checks for this type of system

  1. Save the warning and request a specialist SRS scan.
  2. Provide accident and seat/steering-wheel repair history.

Useful diagnostic data, where available

  • Controller identity and the complete reported fault.
  • Diagnostic states read without triggering devices.

Normal values and thresholds vary by vehicle and are not assumed here.

Mistakes to avoid

  • Do not resistance-test pyrotechnic initiators.
  • Never fit resistors to conceal a restraint warning.
System-guide sources

References support general principles, not individual verification of every associated code.

Continue your research

Links to related systems, warning lights and vehicle examples.

Read the code with an OBD scanner

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Individually documented guide

The definition and diagnostic guidance were verified for this exact code identity.

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