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Home / DTC / B10D2 — Body Control Module configuration corruption detected

B10D2 — Body Control Module configuration corruption detected

Detailed page for trouble code B10D2.

34,405codes
59brands
11,914generic
22,491specific
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B10D2

Generic B — Body

Body Control Module configuration corruption detected

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

Causes

  • Interrupted programming or failed software update
  • Battery voltage drop or surge during module write/erase operations
  • Internal BCM memory or processor hardware failure
  • Water ingress, corrosion, or physical damage to the module or connectors
  • Corroded or loose ground or power connections
  • Aftermarket equipment, improper retrofit, or incompatible replacement module

Symptoms

  • Multiple body systems inoperative or behaving incorrectly (locks, lights, wipers, HVAC blower, etc.)
  • Malfunction indicator lamps or body warning messages on the dash
  • Loss of communication with BCM via scan tool or intermittent comms
  • Stored diagnostic trouble codes related to configuration, programming, or communication
  • Vehicle may not recognize keys or may have passive entry/immobilizer issues

What to check

  • Read and record all stored DTCs and freeze-frame/extended data with an OEM-capable scan tool
  • Check vehicle battery voltage (engine off and cranking) and battery condition
  • Inspect BCM connectors and wiring for water intrusion, corrosion, bent pins, or damage
  • Verify BCM power and ground circuits, and check related fuses and fusible links
  • Confirm no aftermarket modules or splices have been added to BCM circuits
  • Scan other modules for related codes (CAN bus errors, immobilizer, IPC, PCM)

Signal parameters

  • Battery voltage at BCM: ~12.0–12.8 V at rest; >11.5 V during cranking (values vary by vehicle)
  • Ignition-switched supply present when ignition ON; verify expected pins have voltage
  • Ground continuity: low resistance between BCM ground pin and chassis ground
  • CAN bus activity: normal periodic frames present from other modules and BCM
  • Module ID/part number and calibration ID readable via scan tool; mismatch or unreadable indicates corruption
  • Watchdog/state bits or status flags reported by BCM (if available) indicating config errors

Diagnostic algorithm

  1. Use an OEM-level scan tool to read all BCM and network codes; save reports for reference.
  2. Verify battery state of charge and charging system health; ensure at least recommended voltage for programming (consult service data).
  3. Visually inspect the BCM and connectors for contamination, corrosion, water damage, or physical damage; repair wiring as needed.
  4. Check and back-probe BCM power and ground circuits; repair poor connections or replace blown fuses.
  5. If the module cannot communicate or calibration data appears missing, attempt a controlled soft reset or power-cycle per service manual and re-scan.
  6. If a prior reflash was attempted, review reflash logs. If available, perform manufacturer-recommended reprogramming/recoding of BCM using correct OEM software and vehicle-specific calibration files.
  7. After reprogramming, perform any required module coding, alignment, or learned adaptations (door modules, RF keys, comfort functions) per OEM procedure.
  8. If reprogramming fails or BCM reports internal memory fault, consider replacing the BCM with a new or OEM-reman module and program it with vehicle-specific VIN and calibrations.
  9. Recheck all body systems and clear stored codes; road-test and monitor for recurrence. If codes return, continue troubleshooting wiring, power integrity, and communication bus faults.

Likely causes

  • Recent attempted reflash or software update that failed/interrupted
  • Low or unstable battery voltage during a module write operation
  • BCM internal non-volatile memory (EEPROM/Flash) fault
  • Poor power/ground connections or blown fuse affecting BCM supply
  • Corrosion/water damage to BCM or connector pins

Fault status

⚠️ Status
BCM configuration/callibration data corrupted or unreadable. Module may require reprogramming, configuration or replacement after repairing power/communication faults.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

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Code

B10D2

LAND ROVER B — Body

Left rear lock button

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

Causes

  • Interrupted programming or failed software update
  • Battery voltage drop or surge during module write/erase operations
  • Internal BCM memory or processor hardware failure
  • Water ingress, corrosion, or physical damage to the module or connectors
  • Corroded or loose ground or power connections
  • Aftermarket equipment, improper retrofit, or incompatible replacement module

Symptoms

  • Multiple body systems inoperative or behaving incorrectly (locks, lights, wipers, HVAC blower, etc.)
  • Malfunction indicator lamps or body warning messages on the dash
  • Loss of communication with BCM via scan tool or intermittent comms
  • Stored diagnostic trouble codes related to configuration, programming, or communication
  • Vehicle may not recognize keys or may have passive entry/immobilizer issues

What to check

  • Read and record all stored DTCs and freeze-frame/extended data with an OEM-capable scan tool
  • Check vehicle battery voltage (engine off and cranking) and battery condition
  • Inspect BCM connectors and wiring for water intrusion, corrosion, bent pins, or damage
  • Verify BCM power and ground circuits, and check related fuses and fusible links
  • Confirm no aftermarket modules or splices have been added to BCM circuits
  • Scan other modules for related codes (CAN bus errors, immobilizer, IPC, PCM)

Signal parameters

  • Battery voltage at BCM: ~12.0–12.8 V at rest; >11.5 V during cranking (values vary by vehicle)
  • Ignition-switched supply present when ignition ON; verify expected pins have voltage
  • Ground continuity: low resistance between BCM ground pin and chassis ground
  • CAN bus activity: normal periodic frames present from other modules and BCM
  • Module ID/part number and calibration ID readable via scan tool; mismatch or unreadable indicates corruption
  • Watchdog/state bits or status flags reported by BCM (if available) indicating config errors

Diagnostic algorithm

  1. Use an OEM-level scan tool to read all BCM and network codes; save reports for reference.
  2. Verify battery state of charge and charging system health; ensure at least recommended voltage for programming (consult service data).
  3. Visually inspect the BCM and connectors for contamination, corrosion, water damage, or physical damage; repair wiring as needed.
  4. Check and back-probe BCM power and ground circuits; repair poor connections or replace blown fuses.
  5. If the module cannot communicate or calibration data appears missing, attempt a controlled soft reset or power-cycle per service manual and re-scan.
  6. If a prior reflash was attempted, review reflash logs. If available, perform manufacturer-recommended reprogramming/recoding of BCM using correct OEM software and vehicle-specific calibration files.
  7. After reprogramming, perform any required module coding, alignment, or learned adaptations (door modules, RF keys, comfort functions) per OEM procedure.
  8. If reprogramming fails or BCM reports internal memory fault, consider replacing the BCM with a new or OEM-reman module and program it with vehicle-specific VIN and calibrations.
  9. Recheck all body systems and clear stored codes; road-test and monitor for recurrence. If codes return, continue troubleshooting wiring, power integrity, and communication bus faults.

Likely causes

  • Recent attempted reflash or software update that failed/interrupted
  • Low or unstable battery voltage during a module write operation
  • BCM internal non-volatile memory (EEPROM/Flash) fault
  • Poor power/ground connections or blown fuse affecting BCM supply
  • Corrosion/water damage to BCM or connector pins

Fault status

⚠️ Status
BCM configuration/callibration data corrupted or unreadable. Module may require reprogramming, configuration or replacement after repairing power/communication faults.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

B10D0 B10D1 U0100 P0605 P0606 U0073
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LAND ROVER

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