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Home / DTC / B1037 — Rear right seat heating elements

B1037 — Rear right seat heating elements

Detailed page for trouble code B1037.

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Code

B1037

LAND ROVER B — Body

Rear right seat heating elements

Brand: LAND ROVER
Type: B — Body
Views: UK: 16 EN: 30 RU: 19
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open circuit in heating element wiring
  • Short to ground or battery in heater circuit
  • High resistance due to damaged heating element or broken connector pin
  • Corroded or loose connector at seat or loom
  • Faulty rear right seat control module or heater switch
  • Blown fuse or poor power/ground supply

Symptoms

  • Rear right seat heater does not heat or heats weakly
  • Heater indicator lamp for that seat may not illuminate or may flash
  • Fault stored in body/seat electronic module; may disable that heater zone
  • Intermittent operation when seat position changed
  • Possible related interior fuse or other seat zone symptoms if shared supply is affected

What to check

  • Use an OEM-capable fault scanner to read/clear B1037 and check freeze frame/CAN status
  • Perform a visual inspection of the rear right seat area: connectors, loom, and seat-rail wiring for damage or corrosion
  • Check related fuses and main interior power/ground points for continuity
  • Operate the rear right seat heater while monitoring connector for voltage and continuity (see safety cautions)
  • Inspect seat control module for additional stored codes and verify correct module communication

Signal parameters

  • Heater supply voltage: battery voltage (~12 V) present at the heater supply when heater is commanded ON (approx. 11–14 V)
  • Control/switching: seat module typically switches ground or +12 V to the element when requested
  • Typical heating element DC resistance: often low — typically in the range of ~1–20 ohms depending on design (manufacturer-specific). An open (>several kilo-ohms) indicates a broken filament; a very low resistance (
  • Current draw when active: usually several amps (varies by seat design). Use clamp meter to confirm within expected range
  • CAN/Module status: seat module should report heater on/off command and temperature sensor feedback if equipped

Diagnostic algorithm

  1. Read codes with a diagnostic scanner and note freeze frame and related body/seat codes. Do not clear codes yet.
  2. Visually inspect the rear right seat area, connectors, and harness for damage, corrosion, or signs of water ingress. Pay attention to the harness routing through seat rails.
  3. Verify power and ground: with ignition ON and heater switch commanded ON, measure supply voltage at the seat heater connector. Confirm good ground. If no supply, inspect upstream fuses/relays and wiring.
  4. Measure DC resistance of the heating element with seat disconnected from the module (ignition OFF). Compare measured resistance to service specification. Open or very high resistance indicates a broken element.
  5. Check for short to ground or short to battery: measure resistance between heater terminals and chassis; check for unintended continuity.
  6. Operate heater while monitoring voltage and current: command heater ON with scanner and measure current draw with a clamp meter. Low/no current with module command suggests open element or open circuit; excessive current suggests short.
  7. Inspect connector pins for corrosion, bent pins, or poor contact; perform terminal back-probing while operating heater to confirm switching behaviour from seat module.
  8. If wiring and connector check OK but element out of spec, remove seat trim per workshop manual and perform bench test or replace heating pad assembly.
  9. If heater element and wiring are OK, verify seat control module outputs and internal switches. Replace or reprogram seat module only after confirming hardware fault is not in harness/element.
  10. After repair, clear codes and perform functional test and recheck for reoccurrence.

Likely causes

  • Broken/heated element filament inside seat pad (open circuit)
  • Damaged connector or pin corrosion at the seat harness
  • Wire chafed/broken where harness passes through seat frame or rail
  • Seat module not supplying proper output or sensing error

Fault status

⚠️ Status
Rear right seat heater circuit fault detected — possible open, short, high resistance, or connector/wiring fault preventing proper operation of the rear right seat heating element.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1036 B1038 B1017 B1100
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

B1037

MITSUBISHI B — Body

R.control temperature low

Brand: MITSUBISHI
Type: B — Body
Views: UK: 16 EN: 30 RU: 18
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open circuit in heating element wiring
  • Short to ground or battery in heater circuit
  • High resistance due to damaged heating element or broken connector pin
  • Corroded or loose connector at seat or loom
  • Faulty rear right seat control module or heater switch
  • Blown fuse or poor power/ground supply

Symptoms

  • Rear right seat heater does not heat or heats weakly
  • Heater indicator lamp for that seat may not illuminate or may flash
  • Fault stored in body/seat electronic module; may disable that heater zone
  • Intermittent operation when seat position changed
  • Possible related interior fuse or other seat zone symptoms if shared supply is affected

What to check

  • Use an OEM-capable fault scanner to read/clear B1037 and check freeze frame/CAN status
  • Perform a visual inspection of the rear right seat area: connectors, loom, and seat-rail wiring for damage or corrosion
  • Check related fuses and main interior power/ground points for continuity
  • Operate the rear right seat heater while monitoring connector for voltage and continuity (see safety cautions)
  • Inspect seat control module for additional stored codes and verify correct module communication

Signal parameters

  • Heater supply voltage: battery voltage (~12 V) present at the heater supply when heater is commanded ON (approx. 11–14 V)
  • Control/switching: seat module typically switches ground or +12 V to the element when requested
  • Typical heating element DC resistance: often low — typically in the range of ~1–20 ohms depending on design (manufacturer-specific). An open (>several kilo-ohms) indicates a broken filament; a very low resistance (
  • Current draw when active: usually several amps (varies by seat design). Use clamp meter to confirm within expected range
  • CAN/Module status: seat module should report heater on/off command and temperature sensor feedback if equipped

Diagnostic algorithm

  1. Read codes with a diagnostic scanner and note freeze frame and related body/seat codes. Do not clear codes yet.
  2. Visually inspect the rear right seat area, connectors, and harness for damage, corrosion, or signs of water ingress. Pay attention to the harness routing through seat rails.
  3. Verify power and ground: with ignition ON and heater switch commanded ON, measure supply voltage at the seat heater connector. Confirm good ground. If no supply, inspect upstream fuses/relays and wiring.
  4. Measure DC resistance of the heating element with seat disconnected from the module (ignition OFF). Compare measured resistance to service specification. Open or very high resistance indicates a broken element.
  5. Check for short to ground or short to battery: measure resistance between heater terminals and chassis; check for unintended continuity.
  6. Operate heater while monitoring voltage and current: command heater ON with scanner and measure current draw with a clamp meter. Low/no current with module command suggests open element or open circuit; excessive current suggests short.
  7. Inspect connector pins for corrosion, bent pins, or poor contact; perform terminal back-probing while operating heater to confirm switching behaviour from seat module.
  8. If wiring and connector check OK but element out of spec, remove seat trim per workshop manual and perform bench test or replace heating pad assembly.
  9. If heater element and wiring are OK, verify seat control module outputs and internal switches. Replace or reprogram seat module only after confirming hardware fault is not in harness/element.
  10. After repair, clear codes and perform functional test and recheck for reoccurrence.

Likely causes

  • Broken/heated element filament inside seat pad (open circuit)
  • Damaged connector or pin corrosion at the seat harness
  • Wire chafed/broken where harness passes through seat frame or rail
  • Seat module not supplying proper output or sensing error

Fault status

⚠️ Status
Rear right seat heater circuit fault detected — possible open, short, high resistance, or connector/wiring fault preventing proper operation of the rear right seat heating element.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1036 B1038 B1017 B1100
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MITSUBISHI

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

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