Code
B1425
ALFA ROMEO
B — Body
Rear right electric window motor short to ground
Views:
UK: 8
EN: 9
RU: 7
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
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Code
B1425
FIAT
B — Body
Rear right electric window motor short to ground
Views:
UK: 7
EN: 8
RU: 8
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
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Code
B1425
LAND ROVER
B — Body
Right front - Climate seat - Thermal electric device 2
Views:
UK: 11
EN: 11
RU: 10
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
Similar codes
Workshop Manuals
Repair manuals for LAND ROVER
1
Land Rover Defender Workshop Manual 1999-2002 MY
Workshop ManualYour experience will help others
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Code
B1425
MERCEDES-BENZ
B — Body
Activated charcoal filler actuator (A32m2) closed
Views:
UK: 14
EN: 24
RU: 14
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
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Code
B1425
MITSUBISHI
B — Body
FR side ABG active circuit open
Views:
UK: 12
EN: 24
RU: 11
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
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+100 karma for a short comment :)
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Send to email
Code
B1425
Other
B — Body
Power Window RR Motor Circuit Short To Ground
Views:
UK: 20
EN: 31
RU: 22
AI status
Completed
Completed
100%
Causes
- Damaged or chafed wiring harness contacting chassis ground
- Corroded or damaged motor connector pins
- Faulty rear right window motor with internal short
- Failed window regulator with motor binding leading to overcurrent
- Faulty Body Control Module (BCM) or window control module
- Aftermarket accessories or previous repairs with incorrect wiring
Symptoms
- Rear right window does not operate or moves intermittently
- Window operation only in one direction or stalls
- Blown fuse for power windows or BCM disables that window
- Burning smell in door area in severe short conditions
- Other window functions may continue to operate normally
What to check
- Check stored freeze frame/memory info and any additional BCM fault codes
- Visually inspect wiring in door jamb and along full harness run for damage
- Inspect connector at rear right window motor for corrosion, bent pins, or moisture
- Check related fuses and relays for the power window circuit
- Measure voltage and resistance at motor connector with switch operated
- Listen for abnormal noise from motor or regulator when attempting operation
Signal parameters
- Battery voltage at motor supply pin with switch ON: approx. 11–14 V (depending on load)
- Return/ground pin should show near 0 Ω to chassis ground only when intentionally grounded; otherwise high resistance
- Motor coil resistance (both polarities) typical range: low ohms to tens of ohms (manufacturer-specific)
- Current draw: normal motor idle/current limited; stalled motor will show significantly higher current (use clamp meter)
- If BCM uses PWM, frequency typically 100–300 Hz (refer to service data)
Diagnostic algorithm
- Read and record all related codes from the BCM; clear codes and attempt to re-run to confirm repeatability.
- Visually inspect the door jamb harness, especially where it flexes, for pinched or exposed conductors. Repair any damaged wiring.
- Disconnect battery negative before probing connectors if there is risk of short; remove interior door panel to access motor connector.
- With connector disconnected, check continuity between motor feed pins and chassis ground. There should be no direct short to ground (very low ohms). If short present, suspect wiring or motor.
- Measure resistance across motor terminals (with connector unplugged). Compare to service spec. Very low resistance or near short suggests internal motor fault.
- Reconnect and backprobe motor connector while operating the switch: verify proper voltage on supply pin(s) and that ground/switch path changes with switch direction. No voltage or persistent ground indicates wiring/BCM issue.
- If wiring checks good and motor shows abnormal resistance/current, remove and bench-test the motor with a fused jumper and appropriate supply to confirm operation under controlled conditions.
- Inspect and, if needed, replace the motor connector or repair corroded terminals. Use dielectric grease to prevent future corrosion.
- If wiring and motor test OK, investigate BCM/window module outputs and grounds; check for software updates or TSBs. Replace BCM only after confirming fault is not caused by wiring or motor.
- After repair, clear codes and verify window operation through full travel for multiple cycles; re-scan for recurrence.
Likely causes
- Wiring insulation worn where harness passes through door jamb
- Pinched or crushed cable at door hinge area
- Shorted wire at motor connector (pin to ground)
- Defective window motor armature or internal short circuit
- Corrosion or water ingress in connector causing low resistance to ground
Fault status
Status
BCM reports rear right window motor circuit short-to-ground. Fault stored in body control module memory; rear right window operation may be disabled until fault is cleared and root cause repaired. No engine MIL, but fault may inhibit window function.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
Similar codes
Workshop Manuals
Available brands with manuals
1
LAND ROVER 1
Land Rover Defender Workshop Manual 1999-2002 MY
Workshop ManualYour experience will help others
+100 karma for a short comment :)
Was this AI description helpful?
Your feedback helps improve AI descriptions.
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