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Home / DTC / B2162 — Invalid identification of the right side module

B2162 — Invalid identification of the right side module

Detailed page for trouble code B2162.

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59brands
11,851generic
22,491specific
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Code

B2162

LAND ROVER B — Body

Invalid identification of the right side module

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

Causes

  • Faulty or replaced Right Side Module (RSM) with incorrect programming or part number
  • CAN bus communication fault between RSM and central modules
  • Intermittent or missing power/ground to the RSM
  • Damaged connector, pin corrosion or wiring fault on the harness to the RSM
  • Incorrect VIN/module coding or software mismatch after module replacement
  • Body control module or gateway fault causing incorrect ID mapping

Symptoms

  • One or more right-side functions do not operate (windows, mirrors, door locks, lighting)
  • Communication-related warning or message on the dash
  • Intermittent or permanent loss of convenience features on right side of vehicle
  • Possible lamp warnings or central electronics faults
  • DTC stored in vehicle diagnostic memory and may reappear after clearing

What to check

  • Read all stored and pending DTCs from all modules (use factory-level diagnostic tool if available)
  • Inspect RSM connector for bent pins, corrosion, water ingress and check that connector is fully seated
  • Check battery voltage and chassis/engine ground integrity before and during tests
  • Perform a CAN bus wiring continuity and resistance check (CAN_H/CAN_L) between RSM and gateway/module
  • Verify module part number and software level against vehicle build data
  • Check for any signs of previous repairs, aftermarket devices or wiring splices on the right-side harness

Signal parameters

  • Supply voltage to RSM: ~9–16 V (nominal 12 V) — measure at connector
  • Ground continuity:
  • CAN bus differential idle: ~2.5 V on CAN_H and CAN_L (approx. 2.5 V common mode), differential ~0 V idle
  • CAN bus differential active pulses: ±1 V swing during communication; verify message presence with a scope or bus analyzer
  • Expected module ID/address and VIN coding strings as reported by factory diagnostic tool

Diagnostic algorithm

  1. Retrieve and record all DTCs from all control units. Note freeze frame and occurrence frequency.
  2. Attempt to clear DTCs and perform a key cycle; re-scan to confirm repeatability.
  3. Visually inspect the RSM connector and harness for damage, corrosion, water entry or loose pins. Repair as needed.
  4. With ignition on, verify battery voltage at the RSM power pins and check ground at the RSM ground pins.
  5. Use a scan tool to request RSM identification. If the tool shows no response or an unexpected ID, check CAN bus activity with a scope or bus analyzer at the RSM connector.
  6. If CAN signals are missing or abnormal, trace and repair wiring between the RSM and gateway/CAN junction. Check bus termination and other modules on the same bus.
  7. If wiring and power/ground are good but ID is incorrect, verify the module part number and software level. Compare to vehicle build data and reprogram/correct coding with manufacturer diagnostic tool.
  8. If the module was recently replaced, confirm it was correctly programmed and VIN-synchronized. Re-flash or code per factory procedure.
  9. If all above checks pass and the fault persists, consider replacing the RSM with a correctly programmed unit. After replacement, perform full programming and system configuration.
  10. Final step: clear faults, perform a full system scan, and test all right-side functions for correct operation and absence of the DTC.

Likely causes

  • RSM has not been programmed/coded to this vehicle after replacement
  • Broken or corroded connector pins at the RSM connector
  • Open/short on the CAN high/low wires to the RSM
  • Low supply voltage or poor ground at the RSM
  • Gateway or central electronic module not relaying/reading RSM ID

Fault status

⚠️ Status
Right Side Module identification invalid — communication, coding or power/ground fault detected.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

B2160 B2161 B2163 B1000 U0100 U0073
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

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Code

B2162

Other B — Body

Data Mismatch #2 (receive data does not match what was expected)

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

Causes

  • Faulty or replaced Right Side Module (RSM) with incorrect programming or part number
  • CAN bus communication fault between RSM and central modules
  • Intermittent or missing power/ground to the RSM
  • Damaged connector, pin corrosion or wiring fault on the harness to the RSM
  • Incorrect VIN/module coding or software mismatch after module replacement
  • Body control module or gateway fault causing incorrect ID mapping

Symptoms

  • One or more right-side functions do not operate (windows, mirrors, door locks, lighting)
  • Communication-related warning or message on the dash
  • Intermittent or permanent loss of convenience features on right side of vehicle
  • Possible lamp warnings or central electronics faults
  • DTC stored in vehicle diagnostic memory and may reappear after clearing

What to check

  • Read all stored and pending DTCs from all modules (use factory-level diagnostic tool if available)
  • Inspect RSM connector for bent pins, corrosion, water ingress and check that connector is fully seated
  • Check battery voltage and chassis/engine ground integrity before and during tests
  • Perform a CAN bus wiring continuity and resistance check (CAN_H/CAN_L) between RSM and gateway/module
  • Verify module part number and software level against vehicle build data
  • Check for any signs of previous repairs, aftermarket devices or wiring splices on the right-side harness

Signal parameters

  • Supply voltage to RSM: ~9–16 V (nominal 12 V) — measure at connector
  • Ground continuity:
  • CAN bus differential idle: ~2.5 V on CAN_H and CAN_L (approx. 2.5 V common mode), differential ~0 V idle
  • CAN bus differential active pulses: ±1 V swing during communication; verify message presence with a scope or bus analyzer
  • Expected module ID/address and VIN coding strings as reported by factory diagnostic tool

Diagnostic algorithm

  1. Retrieve and record all DTCs from all control units. Note freeze frame and occurrence frequency.
  2. Attempt to clear DTCs and perform a key cycle; re-scan to confirm repeatability.
  3. Visually inspect the RSM connector and harness for damage, corrosion, water entry or loose pins. Repair as needed.
  4. With ignition on, verify battery voltage at the RSM power pins and check ground at the RSM ground pins.
  5. Use a scan tool to request RSM identification. If the tool shows no response or an unexpected ID, check CAN bus activity with a scope or bus analyzer at the RSM connector.
  6. If CAN signals are missing or abnormal, trace and repair wiring between the RSM and gateway/CAN junction. Check bus termination and other modules on the same bus.
  7. If wiring and power/ground are good but ID is incorrect, verify the module part number and software level. Compare to vehicle build data and reprogram/correct coding with manufacturer diagnostic tool.
  8. If the module was recently replaced, confirm it was correctly programmed and VIN-synchronized. Re-flash or code per factory procedure.
  9. If all above checks pass and the fault persists, consider replacing the RSM with a correctly programmed unit. After replacement, perform full programming and system configuration.
  10. Final step: clear faults, perform a full system scan, and test all right-side functions for correct operation and absence of the DTC.

Likely causes

  • RSM has not been programmed/coded to this vehicle after replacement
  • Broken or corroded connector pins at the RSM connector
  • Open/short on the CAN high/low wires to the RSM
  • Low supply voltage or poor ground at the RSM
  • Gateway or central electronic module not relaying/reading RSM ID

Fault status

⚠️ Status
Right Side Module identification invalid — communication, coding or power/ground fault detected.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

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B2160 B2161 B2163 B1000 U0100 U0073
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