Code
B1416
ALFA ROMEO
B — Body
Rear left electric window motor short to positive
Views:
UK: 6
EN: 8
RU: 8
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
B1416
FIAT
B — Body
Rear left electric window motor short to positive
Views:
UK: 4
EN: 7
RU: 5
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
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Code
B1416
LAND ROVER
B — Body
Left rear window motor circuit - short circuit to the battery
Views:
UK: 8
EN: 9
RU: 9
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Workshop Manuals
Repair manuals for LAND ROVER
3
Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop Manual199,00 UAH
Land Rover Defender Workshop Manual Supplement & Body Repair Manual (1999 & 2002 MY)
Workshop Manual199,00 UAH
Land Rover Range Rover — Electrical Library (LRL 0453ENG, 2002)
Workshop Manual199,00 UAH
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Code
B1416
MERCEDES-BENZ
B — Body
Coolant circulation pump (M13)
Views:
UK: 10
EN: 11
RU: 12
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
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Code
B1416
MITSUBISHI
B — Body
FL analog G sensor fail
Views:
UK: 9
EN: 8
RU: 10
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Your experience will help others
+100 karma for a short comment :)
Was this AI description helpful?
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Code
B1416
Other
B — Body
Power Window LR Motor Circuit Short To Battery
Views:
UK: 14
EN: 19
RU: 15
AI status
Completed
Completed
100%
Causes
- Damaged/chafed wiring contacting battery + (common at door hinge area)
- Corroded or water-damaged connector at the rear left door
- Faulty rear left window motor internal short
- Faulty window switch or door control unit supplying constant battery +
- Poor crimp or pin pushed out in connector causing contact with positive
- Aftermarket accessory or previous repair pinched/modified the harness
Symptoms
- Rear left window will not operate or operates intermittently
- Blown fuse for power windows or specific window circuit
- Automatic up/down function (one-touch) disabled for that window
- DTC stored and possible instrument cluster/service message about window fault
- Possible noise or lack of motor attempt when commanding the window
What to check
- Read and record all stored faults; clear code and attempt to re-produce
- Visual inspection of rear left door harness, connector, and motor for damage, corrosion or water
- Check related fuses and relays for the power window circuit
- Operate the rear left window while observing connector and wiring at door hinge for rubbing or sparking
- Probe voltage at the motor supply connector while commanding the window up and down (use insulated leads)
- Measure resistance between each motor terminal and battery positive when circuit inactive to detect unintended continuity to +
Signal parameters
- Battery voltage at motor connector when idling/commanded: ~11–14 V expected on the supply lead when activated
- Motor run voltage: near battery voltage when active; control/return lead should switch to ground or be driven by module
- Typical no-load motor current: ~2–8 A (varies by vehicle); stall current can be much higher (10–30 A) — measure with appropriate current clamp
- Resistance of motor windings: typically a few ohms; very low ohms or near short to battery + indicates internal fault
- Continuity to battery + on a motor/connector pin should be absent when circuit is inactive (open)
Diagnostic algorithm
- Read and record DTCs, clear B1416 and attempt to operate the rear left window to see if code returns.
- Visually inspect rear left door harness around the hinge, door/module connector, and motor for damage, corrosion, water, or pinch points.
- With ignition on, command the rear left window and measure voltage at the motor connector supply and return pins. Note if a constant battery + is present on a pin that should be switched.
- Disconnect the rear left window motor connector. Measure resistance/continuity between each motor wire and battery positive to confirm a short to + on the harness side. If short persists with motor disconnected, the short is in the harness or switch/module.
- If no short on harness with motor disconnected, measure motor winding resistance and insulation. Replace motor if internal short to positive is indicated.
- Inspect and test the door switch and door control module outputs: check for stuck/high output that could be supplying + when it should not. Replace or reprogram module if required.
- If wiring fault found (chafe, damaged pin, corrosion), repair by replacing sections of harness, repairing pins, insulating, and protecting the harness (grommets, loom).
- After repairs, reconnect and retest window operation, clear codes, and verify no reoccurrence under multiple cycles and door opening/closing.
- If fault persists and wiring and motor check OK, consult full vehicle wiring diagrams and perform back-probing at control module, or replace the body/door control module as a last resort.
Likely causes
- Chafed harness at door hinge causing insulation breach and short to positive
- Water ingress/corrosion at the door connector causing conductive path to battery +
- Failed/relying switch or module that is feeding positive when it should be open
Fault status
Status
B1416 — Rear left electric window motor circuit: short to positive detected. Check rear left door wiring, connector, motor and control module for short to battery +.
Repair difficulty: Medium
Diagnostic time: 1-3 hours
Similar codes
Workshop Manuals
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LAND ROVER 3
Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop Manual199,00 UAH
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