Toggle Side Panel

Shopping Cart

No products in the basket.

Shopping Cart

No products in the basket.

Close search
Home / DTC / B1441 — Windshield wiper mode selector switch - short circuit to earth

B1441 — Windshield wiper mode selector switch - short circuit to earth

Detailed page for trouble code B1441.

34,405codes
59brands
11,914generic
22,491specific
All codes P-codes (Powertrain) B-codes (Body) C-codes (Chassis) U-codes (Network/User) Tesla Alerts
Reset
Code

B1441

LAND ROVER B — Body

Windshield wiper mode selector switch - short circuit to earth

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

Causes

  • Damaged or chafed wiring harness allowing conductor to contact body/chassis ground
  • Corroded, bent or damaged connector pins at the wiper mode selector switch
  • Faulty windshield wiper mode selector switch internal short to ground
  • Poor or missing connector retention (loose connector) permitting contact/corrosion
  • Aftermarket accessories or previous repairs that damaged the circuit
  • Faulty body control module (BCM) or wiper control module (less common)

Symptoms

  • Windshield wipers inoperative or stuck in one mode
  • Intermittent wiper operation or loss of certain speeds/functions
  • Wiper erratic behaviour when switch is moved
  • DTC B1441 stored and possibly a message on the dash about wiper system
  • Other vehicle systems using same module may show faults (depending on architecture)

What to check

  • Read and record stored codes and freeze frame data with a diagnostic scan tool
  • Visual inspection of switch, connector and wiring for damage, corrosion or water entry
  • Wiggle test wiring and connector while watching live data or observing wiper operation
  • Measure voltage at the switch connector pins with ignition on and switch in different positions
  • Check continuity and resistance from the switch output wire(s) to chassis ground
  • Inspect routing where harness passes through bulkhead, under dash, and around hinge points

Signal parameters

  • Reference supply to switch: typically 5 V logic or 12 V depending on model; consult vehicle wiring diagram
  • Switch output when active: should change from open/high impedance to a defined voltage (commonly close to reference or a pulsed signal). Exact values vary by model
  • Short-to-earth condition: measured voltage on the affected conductor ≈0 V and low resistance to chassis ground (often
  • Normal open-circuit resistance from switch output to ground: very high/OL when switch not commanding ground
  • If the circuit is multiplexed/CAN-based, expect valid CAN messages; a physical short will show low voltage on that line

Diagnostic algorithm

  1. Connect a capable scan tool, read and record all codes, and note any related codes or freeze-frame data.
  2. With ignition off, visually inspect the wiper mode selector switch, its connector and harness for damage, corrosion or water ingress. Repair visible damage.
  3. With ignition ON (or per OEM procedure), back-probe the switch connector and measure voltage on each terminal while operating the switch through all positions. Compare to expected values in the wiring diagram.
  4. Measure resistance/continuity between the affected switch output wire and chassis ground. A low resistance indicates a short to earth.
  5. If low resistance is present, disconnect the switch connector and measure resistance from the harness side conductor to ground. If still low, the short is in the wiring harness; if high/OL, the switch is shorted internally.
  6. Inspect wiring along the harness route (bulkhead, under-dash, hinge areas). Repair or replace any sections showing chafe or pin damage. Use wiring diagram to locate exact circuit and splice points.
  7. If the harness side is OK and the switch side shows the short, replace the wiper mode selector switch and retest.
  8. If wiring and switch check good but fault persists, check power/ground supplies and inspect the wiper control/BCM inputs. Test the control module per manufacturer procedures before replacement.
  9. After repair, clear codes and verify proper operation through multiple switch positions and a road test where safe. Re-scan to confirm code does not return.

Likely causes

  • Wiring chafe at bulkhead or under dash where harness flexes
  • Water ingress/corrosion at the switch connector
  • Internal short inside the mode selector switch due to wear or moisture
  • Pin pushed out of connector and touching chassis or other grounded terminal

Fault status

⚠️ Status
Windshield wiper mode selector switch circuit: short to earth detected. Control module has logged a fault when switch signal was pulled to ground or measured below expected threshold.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1440 B1442 B1636 B1640
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

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

B1441

MITSUBISHI B — Body

FR curtain ABG squib open

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

Causes

  • Damaged or chafed wiring harness allowing conductor to contact body/chassis ground
  • Corroded, bent or damaged connector pins at the wiper mode selector switch
  • Faulty windshield wiper mode selector switch internal short to ground
  • Poor or missing connector retention (loose connector) permitting contact/corrosion
  • Aftermarket accessories or previous repairs that damaged the circuit
  • Faulty body control module (BCM) or wiper control module (less common)

Symptoms

  • Windshield wipers inoperative or stuck in one mode
  • Intermittent wiper operation or loss of certain speeds/functions
  • Wiper erratic behaviour when switch is moved
  • DTC B1441 stored and possibly a message on the dash about wiper system
  • Other vehicle systems using same module may show faults (depending on architecture)

What to check

  • Read and record stored codes and freeze frame data with a diagnostic scan tool
  • Visual inspection of switch, connector and wiring for damage, corrosion or water entry
  • Wiggle test wiring and connector while watching live data or observing wiper operation
  • Measure voltage at the switch connector pins with ignition on and switch in different positions
  • Check continuity and resistance from the switch output wire(s) to chassis ground
  • Inspect routing where harness passes through bulkhead, under dash, and around hinge points

Signal parameters

  • Reference supply to switch: typically 5 V logic or 12 V depending on model; consult vehicle wiring diagram
  • Switch output when active: should change from open/high impedance to a defined voltage (commonly close to reference or a pulsed signal). Exact values vary by model
  • Short-to-earth condition: measured voltage on the affected conductor ≈0 V and low resistance to chassis ground (often
  • Normal open-circuit resistance from switch output to ground: very high/OL when switch not commanding ground
  • If the circuit is multiplexed/CAN-based, expect valid CAN messages; a physical short will show low voltage on that line

Diagnostic algorithm

  1. Connect a capable scan tool, read and record all codes, and note any related codes or freeze-frame data.
  2. With ignition off, visually inspect the wiper mode selector switch, its connector and harness for damage, corrosion or water ingress. Repair visible damage.
  3. With ignition ON (or per OEM procedure), back-probe the switch connector and measure voltage on each terminal while operating the switch through all positions. Compare to expected values in the wiring diagram.
  4. Measure resistance/continuity between the affected switch output wire and chassis ground. A low resistance indicates a short to earth.
  5. If low resistance is present, disconnect the switch connector and measure resistance from the harness side conductor to ground. If still low, the short is in the wiring harness; if high/OL, the switch is shorted internally.
  6. Inspect wiring along the harness route (bulkhead, under-dash, hinge areas). Repair or replace any sections showing chafe or pin damage. Use wiring diagram to locate exact circuit and splice points.
  7. If the harness side is OK and the switch side shows the short, replace the wiper mode selector switch and retest.
  8. If wiring and switch check good but fault persists, check power/ground supplies and inspect the wiper control/BCM inputs. Test the control module per manufacturer procedures before replacement.
  9. After repair, clear codes and verify proper operation through multiple switch positions and a road test where safe. Re-scan to confirm code does not return.

Likely causes

  • Wiring chafe at bulkhead or under dash where harness flexes
  • Water ingress/corrosion at the switch connector
  • Internal short inside the mode selector switch due to wear or moisture
  • Pin pushed out of connector and touching chassis or other grounded terminal

Fault status

⚠️ Status
Windshield wiper mode selector switch circuit: short to earth detected. Control module has logged a fault when switch signal was pulled to ground or measured below expected threshold.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1440 B1442 B1636 B1640
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
Code

B1441

OPEL B — Body

Switched System Voltage (Ignition ON) Circuit Low Voltage

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

Causes

  • Damaged or chafed wiring harness allowing conductor to contact body/chassis ground
  • Corroded, bent or damaged connector pins at the wiper mode selector switch
  • Faulty windshield wiper mode selector switch internal short to ground
  • Poor or missing connector retention (loose connector) permitting contact/corrosion
  • Aftermarket accessories or previous repairs that damaged the circuit
  • Faulty body control module (BCM) or wiper control module (less common)

Symptoms

  • Windshield wipers inoperative or stuck in one mode
  • Intermittent wiper operation or loss of certain speeds/functions
  • Wiper erratic behaviour when switch is moved
  • DTC B1441 stored and possibly a message on the dash about wiper system
  • Other vehicle systems using same module may show faults (depending on architecture)

What to check

  • Read and record stored codes and freeze frame data with a diagnostic scan tool
  • Visual inspection of switch, connector and wiring for damage, corrosion or water entry
  • Wiggle test wiring and connector while watching live data or observing wiper operation
  • Measure voltage at the switch connector pins with ignition on and switch in different positions
  • Check continuity and resistance from the switch output wire(s) to chassis ground
  • Inspect routing where harness passes through bulkhead, under dash, and around hinge points

Signal parameters

  • Reference supply to switch: typically 5 V logic or 12 V depending on model; consult vehicle wiring diagram
  • Switch output when active: should change from open/high impedance to a defined voltage (commonly close to reference or a pulsed signal). Exact values vary by model
  • Short-to-earth condition: measured voltage on the affected conductor ≈0 V and low resistance to chassis ground (often
  • Normal open-circuit resistance from switch output to ground: very high/OL when switch not commanding ground
  • If the circuit is multiplexed/CAN-based, expect valid CAN messages; a physical short will show low voltage on that line

Diagnostic algorithm

  1. Connect a capable scan tool, read and record all codes, and note any related codes or freeze-frame data.
  2. With ignition off, visually inspect the wiper mode selector switch, its connector and harness for damage, corrosion or water ingress. Repair visible damage.
  3. With ignition ON (or per OEM procedure), back-probe the switch connector and measure voltage on each terminal while operating the switch through all positions. Compare to expected values in the wiring diagram.
  4. Measure resistance/continuity between the affected switch output wire and chassis ground. A low resistance indicates a short to earth.
  5. If low resistance is present, disconnect the switch connector and measure resistance from the harness side conductor to ground. If still low, the short is in the wiring harness; if high/OL, the switch is shorted internally.
  6. Inspect wiring along the harness route (bulkhead, under-dash, hinge areas). Repair or replace any sections showing chafe or pin damage. Use wiring diagram to locate exact circuit and splice points.
  7. If the harness side is OK and the switch side shows the short, replace the wiper mode selector switch and retest.
  8. If wiring and switch check good but fault persists, check power/ground supplies and inspect the wiper control/BCM inputs. Test the control module per manufacturer procedures before replacement.
  9. After repair, clear codes and verify proper operation through multiple switch positions and a road test where safe. Re-scan to confirm code does not return.

Likely causes

  • Wiring chafe at bulkhead or under dash where harness flexes
  • Water ingress/corrosion at the switch connector
  • Internal short inside the mode selector switch due to wear or moisture
  • Pin pushed out of connector and touching chassis or other grounded terminal

Fault status

⚠️ Status
Windshield wiper mode selector switch circuit: short to earth detected. Control module has logged a fault when switch signal was pulled to ground or measured below expected threshold.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1440 B1442 B1636 B1640
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email
Code

B1441

Other B — Body

Wiper Mode Select Switch Circuit Short To Ground

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

Causes

  • Damaged or chafed wiring harness allowing conductor to contact body/chassis ground
  • Corroded, bent or damaged connector pins at the wiper mode selector switch
  • Faulty windshield wiper mode selector switch internal short to ground
  • Poor or missing connector retention (loose connector) permitting contact/corrosion
  • Aftermarket accessories or previous repairs that damaged the circuit
  • Faulty body control module (BCM) or wiper control module (less common)

Symptoms

  • Windshield wipers inoperative or stuck in one mode
  • Intermittent wiper operation or loss of certain speeds/functions
  • Wiper erratic behaviour when switch is moved
  • DTC B1441 stored and possibly a message on the dash about wiper system
  • Other vehicle systems using same module may show faults (depending on architecture)

What to check

  • Read and record stored codes and freeze frame data with a diagnostic scan tool
  • Visual inspection of switch, connector and wiring for damage, corrosion or water entry
  • Wiggle test wiring and connector while watching live data or observing wiper operation
  • Measure voltage at the switch connector pins with ignition on and switch in different positions
  • Check continuity and resistance from the switch output wire(s) to chassis ground
  • Inspect routing where harness passes through bulkhead, under dash, and around hinge points

Signal parameters

  • Reference supply to switch: typically 5 V logic or 12 V depending on model; consult vehicle wiring diagram
  • Switch output when active: should change from open/high impedance to a defined voltage (commonly close to reference or a pulsed signal). Exact values vary by model
  • Short-to-earth condition: measured voltage on the affected conductor ≈0 V and low resistance to chassis ground (often
  • Normal open-circuit resistance from switch output to ground: very high/OL when switch not commanding ground
  • If the circuit is multiplexed/CAN-based, expect valid CAN messages; a physical short will show low voltage on that line

Diagnostic algorithm

  1. Connect a capable scan tool, read and record all codes, and note any related codes or freeze-frame data.
  2. With ignition off, visually inspect the wiper mode selector switch, its connector and harness for damage, corrosion or water ingress. Repair visible damage.
  3. With ignition ON (or per OEM procedure), back-probe the switch connector and measure voltage on each terminal while operating the switch through all positions. Compare to expected values in the wiring diagram.
  4. Measure resistance/continuity between the affected switch output wire and chassis ground. A low resistance indicates a short to earth.
  5. If low resistance is present, disconnect the switch connector and measure resistance from the harness side conductor to ground. If still low, the short is in the wiring harness; if high/OL, the switch is shorted internally.
  6. Inspect wiring along the harness route (bulkhead, under-dash, hinge areas). Repair or replace any sections showing chafe or pin damage. Use wiring diagram to locate exact circuit and splice points.
  7. If the harness side is OK and the switch side shows the short, replace the wiper mode selector switch and retest.
  8. If wiring and switch check good but fault persists, check power/ground supplies and inspect the wiper control/BCM inputs. Test the control module per manufacturer procedures before replacement.
  9. After repair, clear codes and verify proper operation through multiple switch positions and a road test where safe. Re-scan to confirm code does not return.

Likely causes

  • Wiring chafe at bulkhead or under dash where harness flexes
  • Water ingress/corrosion at the switch connector
  • Internal short inside the mode selector switch due to wear or moisture
  • Pin pushed out of connector and touching chassis or other grounded terminal

Fault status

⚠️ Status
Windshield wiper mode selector switch circuit: short to earth detected. Control module has logged a fault when switch signal was pulled to ground or measured below expected threshold.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1440 B1442 B1636 B1640
7,976

The library contains 7,976 repair and diagnostic manuals. Choose a brand to open the full manual tree by year, model and trim.

ALFA ROMEO
89
AUDI
1,160
BMW
479
CHEVROLET
294
DAEWOO
75
FIAT
26
GENESIS
207
HUMMER
138
HYUNDAI
371
ISUZU
86
LAND ROVER
320
LEXUS
280
LINCOLN
166
MERCEDES-BENZ
856
MERCURY
296
MITSUBISHI
406
PORSCHE
136
TESLA
58
TOYOTA
2,042
TRIUMPH
131
VOLKSWAGEN
139
VOLVO
221
Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

Report

Harassment or bullying behavior
Contains mature or sensitive content
Contains misleading or false information
Contains abusive or derogatory content
Contains spam, fake content or potential malware

Block Member?

Please confirm you want to block this member.

You will no longer be able to:

  • See blocked member's posts
  • Mention this member in posts
  • Invite this member to groups
  • Message this member
  • Add this member as a connection

Please note: This action will also remove this member from your connections and send a report to the site admin. Please allow a few minutes for this process to complete.

Report

You have already reported this .