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Home / DTC / B2214 — Passenger door window switch - circuit short for the battery

B2214 — Passenger door window switch - circuit short for the battery

Detailed page for trouble code B2214.

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Code

B2214

LAND ROVER B — Body

Passenger door window switch - circuit short for the battery

Brand: LAND ROVER
Type: B — Body
Views: UK: 2 EN: 6 RU: 3
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Page language: EN

Causes

  • Damaged or chafed wiring harness in passenger door causing insulation failure to battery feed
  • Corroded or contaminated switch connector or terminals allowing battery feed to leak into signal circuit
  • Faulty passenger door window switch with internal short to battery
  • Incorrect aftermarket accessory wiring tied into window circuit
  • Water ingress in door switch assembly or connector
  • Poor or loose connector pins at door junction or body control module (BCM)

Symptoms

  • Passenger window non‑responsive or operates only intermittently
  • Other door/window functions may be affected (e.g., mirror adjust, central locking) if circuits share harness
  • Stored B2214 DTC and possibly related body network faults
  • Blown fuse(s) for power windows in some failure modes

What to check

  • Visual inspection of passenger door wiring harness, especially at door hinge/boot and connector areas
  • Inspect switch and connector for corrosion, moisture, or bent pins
  • Check relevant fuses and relays for the power window circuit
  • Measure voltage at the passenger door window switch connector with ignition OFF and ON
  • Disconnect passenger door switch and re-check voltage on harness to determine if short is in switch or wiring
  • Check for aftermarket accessory connections in door or near BCM

Signal parameters

  • Expected: Switch control/signal should be low (near 0 V) or toggled by BCM; not a constant battery voltage when switch is inactive
  • Failure symptom: Terminal reads ~12 V (battery) continuously on switch signal circuit indicating short to battery
  • With switch disconnected: Voltage on harness should be low/0 V (or open) — if ~12 V, fault is in harness or upstream supply
  • Resistance: Low ohms between switch signal and battery positive (< 1–5 Ω) indicates a direct short; high/OL indicates open

Diagnostic algorithm

  1. Retrieve full freeze frame and any associated DTCs. Note whether B2214 is present, pending or history/intermittent.
  2. Perform a visual inspection: open passenger door, inspect switch, connector, wiring in door boot and door body for damage or water.
  3. With vehicle ignition OFF, disconnect passenger door window switch connector. Measure DC voltage between the suspect signal terminal and ground. If ~12 V is present with switch disconnected, suspect wiring/BCM or an accessory feed.
  4. If no battery voltage with switch disconnected, connect switch and measure while operating switch — observe voltage changes. If switch itself pulls to battery when inactive, replace switch.
  5. Check continuity/resistance between the signal conductor and battery positive (with power removed). A low resistance indicates a short to battery conductor; locate and repair short.
  6. Inspect/repair door harness boot (hinge area) by flexing door while monitoring voltage to reproduce fault. Repair chafed wires or replace harness section as necessary.
  7. Clean/repair corroded connectors; apply dielectric grease after repair. Replace switch or connector if terminals are damaged.
  8. If harness and switch check good, trace back to BCM/fuse/relay area. Verify no aftermarket devices are tied to the circuit. If needed, consult wiring diagram and test at BCM connector for incorrect battery presence.
  9. Clear codes and road-test to confirm repair. Re-scan to verify DTC does not return.

Likely causes

  • Internal short inside the passenger door window switch (most common)
  • Wiring pinched at hinge area shorting to constant 12 V supply
  • Connector corrosion allowing battery voltage to be present on the switch signal
  • Aftermarket alarm or accessory incorrectly connected to window power

Fault status

⚠️ Status
B2214 — Passenger door window switch circuit short to battery detected. The BCM reports constant battery voltage on the passenger window switch circuit when it should be switched or held low. Fault may be intermittent or permanent; further inspection of switch, door harness and connectors required.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B2213 B2215 B2220 U0100 U0121
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