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Home / DTC / B1341 — Electric door opening circuit

B1341 — Electric door opening circuit

Detailed page for trouble code B1341.

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22,491specific
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Code

B1341

ALFA ROMEO B — Body

Electric door opening circuit

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

Causes

  • Blown fuse or faulty relay for central locking/door opener circuit
  • Failed door latch/actuator motor
  • Open, short or high-resistance wiring or connector (corrosion, broken wire)
  • Faulty door switch (handle/lock/unlock switch) or microswitch in latch
  • Body Control Module (BCM)/centrallocking module fault or software issue
  • Poor ground connection at door or module

Symptoms

  • Affected door does not unlock or open using remote/keyless entry
  • Intermittent operation of central locking for one door
  • Audible clicking from door when trying to lock/unlock (weak or no movement)
  • Door opens only mechanically but not electrically
  • Warning or message on dash about door or locking
  • Battery drain in some cases if actuator is stuck energised

What to check

  • Scan vehicle with dealer-level or capable scanner; read freeze frame and related B/C/U codes
  • Verify fuses and relays for central locking/door opener circuits
  • Perform visual inspection of door wiring harness, boots, and connectors for damage or corrosion
  • Operate lock/unlock and observe actuator; listen for sound and feel movement
  • Check operation of door handle and internal lock switch continuity
  • Measure battery voltage at rest and with actuator command (should be near battery voltage when commanded)

Signal parameters

  • Nominal battery voltage at actuator when commanded: ~12 V (may drop under load)
  • Rest voltage at actuator/control line: 0 V or near 12 V depending on design (verify with wiring diagram)
  • Actuator coil resistance (typical range): low ohms (example 5–50 Ω) — refer to model-specific spec
  • Control signal: switched supply or switched ground from BCM; pulse or constant depending on lock/unlock event
  • No continuity (open) or very high resistance indicates wiring/connector or actuator coil fault

Diagnostic algorithm

  1. Retrieve and record all DTCs and freeze-frame data with an OBD/diagnostic tool. Note which door is reported, if specified.
  2. Verify customer symptom(s) and attempt to operate the door using key, interior switch and remote while observing behaviour and listening for actuator noise.
  3. Check relevant fuses and relays. Replace if faulty and retest. If fuse repeatedly blows, suspect short to ground.
  4. Visually inspect the affected door wiring harness, grommet/boot between door and body, and connector for damage, corrosion or water ingress. Repair as needed.
  5. Backprobe the actuator connector. With the unlock/lock command applied, measure voltage on the supply and the switching line. Confirm expected voltage change when commanded.
  6. Measure actuator coil resistance with connector disconnected. Compare to model-specific spec. If open or out of range, replace actuator/latch assembly.
  7. Check continuity between actuator connector and BCM connector for opens/shorts. Wiggle test harness while commanding to reproduce intermittent faults.
  8. Test door switch/handle microswitch continuity and operation. Replace if faulty.
  9. If wiring and actuator are good, check BCM outputs and ground at the module. Monitor module outputs with diagnostic tool while commanding locks. Consider module software updates or reflashing if manufacturer procedure indicates.
  10. After repairs, clear codes, cycle locks several times, and verify no return of B1341 and correct operation under all control methods. Re-scan for stored codes.

Likely causes

  • Failed door actuator or latch motor
  • Open or corroded connector/wiring between actuator and BCM
  • Blown fuse or faulty relay in central locking circuit
  • Faulty door switch (mechanical wear or contamination)

Fault status

⚠️ Status
B1341 - Electric door opening circuit: Control unit detected an open/short/high resistance or no expected feedback on the door opening actuator circuit. Action: inspect fuses, wiring/connectors, actuator and control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B1340 B1342 B1234 B1281 U0100
89

Browse 89 ALFA ROMEO manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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Code

B1341

FIAT B — Body

Electric door opening circuit

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

Causes

  • Blown fuse or faulty relay for central locking/door opener circuit
  • Failed door latch/actuator motor
  • Open, short or high-resistance wiring or connector (corrosion, broken wire)
  • Faulty door switch (handle/lock/unlock switch) or microswitch in latch
  • Body Control Module (BCM)/centrallocking module fault or software issue
  • Poor ground connection at door or module

Symptoms

  • Affected door does not unlock or open using remote/keyless entry
  • Intermittent operation of central locking for one door
  • Audible clicking from door when trying to lock/unlock (weak or no movement)
  • Door opens only mechanically but not electrically
  • Warning or message on dash about door or locking
  • Battery drain in some cases if actuator is stuck energised

What to check

  • Scan vehicle with dealer-level or capable scanner; read freeze frame and related B/C/U codes
  • Verify fuses and relays for central locking/door opener circuits
  • Perform visual inspection of door wiring harness, boots, and connectors for damage or corrosion
  • Operate lock/unlock and observe actuator; listen for sound and feel movement
  • Check operation of door handle and internal lock switch continuity
  • Measure battery voltage at rest and with actuator command (should be near battery voltage when commanded)

Signal parameters

  • Nominal battery voltage at actuator when commanded: ~12 V (may drop under load)
  • Rest voltage at actuator/control line: 0 V or near 12 V depending on design (verify with wiring diagram)
  • Actuator coil resistance (typical range): low ohms (example 5–50 Ω) — refer to model-specific spec
  • Control signal: switched supply or switched ground from BCM; pulse or constant depending on lock/unlock event
  • No continuity (open) or very high resistance indicates wiring/connector or actuator coil fault

Diagnostic algorithm

  1. Retrieve and record all DTCs and freeze-frame data with an OBD/diagnostic tool. Note which door is reported, if specified.
  2. Verify customer symptom(s) and attempt to operate the door using key, interior switch and remote while observing behaviour and listening for actuator noise.
  3. Check relevant fuses and relays. Replace if faulty and retest. If fuse repeatedly blows, suspect short to ground.
  4. Visually inspect the affected door wiring harness, grommet/boot between door and body, and connector for damage, corrosion or water ingress. Repair as needed.
  5. Backprobe the actuator connector. With the unlock/lock command applied, measure voltage on the supply and the switching line. Confirm expected voltage change when commanded.
  6. Measure actuator coil resistance with connector disconnected. Compare to model-specific spec. If open or out of range, replace actuator/latch assembly.
  7. Check continuity between actuator connector and BCM connector for opens/shorts. Wiggle test harness while commanding to reproduce intermittent faults.
  8. Test door switch/handle microswitch continuity and operation. Replace if faulty.
  9. If wiring and actuator are good, check BCM outputs and ground at the module. Monitor module outputs with diagnostic tool while commanding locks. Consider module software updates or reflashing if manufacturer procedure indicates.
  10. After repairs, clear codes, cycle locks several times, and verify no return of B1341 and correct operation under all control methods. Re-scan for stored codes.

Likely causes

  • Failed door actuator or latch motor
  • Open or corroded connector/wiring between actuator and BCM
  • Blown fuse or faulty relay in central locking circuit
  • Faulty door switch (mechanical wear or contamination)

Fault status

⚠️ Status
B1341 - Electric door opening circuit: Control unit detected an open/short/high resistance or no expected feedback on the door opening actuator circuit. Action: inspect fuses, wiring/connectors, actuator and control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B1340 B1342 B1234 B1281 U0100
Repair manuals

Manual library for FIAT

26

Browse 26 FIAT manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

FIAT

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Code

B1341

HUMMER B — Body

Air Mix Door Two Movement Fault

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

Causes

  • Blown fuse or faulty relay for central locking/door opener circuit
  • Failed door latch/actuator motor
  • Open, short or high-resistance wiring or connector (corrosion, broken wire)
  • Faulty door switch (handle/lock/unlock switch) or microswitch in latch
  • Body Control Module (BCM)/centrallocking module fault or software issue
  • Poor ground connection at door or module

Symptoms

  • Affected door does not unlock or open using remote/keyless entry
  • Intermittent operation of central locking for one door
  • Audible clicking from door when trying to lock/unlock (weak or no movement)
  • Door opens only mechanically but not electrically
  • Warning or message on dash about door or locking
  • Battery drain in some cases if actuator is stuck energised

What to check

  • Scan vehicle with dealer-level or capable scanner; read freeze frame and related B/C/U codes
  • Verify fuses and relays for central locking/door opener circuits
  • Perform visual inspection of door wiring harness, boots, and connectors for damage or corrosion
  • Operate lock/unlock and observe actuator; listen for sound and feel movement
  • Check operation of door handle and internal lock switch continuity
  • Measure battery voltage at rest and with actuator command (should be near battery voltage when commanded)

Signal parameters

  • Nominal battery voltage at actuator when commanded: ~12 V (may drop under load)
  • Rest voltage at actuator/control line: 0 V or near 12 V depending on design (verify with wiring diagram)
  • Actuator coil resistance (typical range): low ohms (example 5–50 Ω) — refer to model-specific spec
  • Control signal: switched supply or switched ground from BCM; pulse or constant depending on lock/unlock event
  • No continuity (open) or very high resistance indicates wiring/connector or actuator coil fault

Diagnostic algorithm

  1. Retrieve and record all DTCs and freeze-frame data with an OBD/diagnostic tool. Note which door is reported, if specified.
  2. Verify customer symptom(s) and attempt to operate the door using key, interior switch and remote while observing behaviour and listening for actuator noise.
  3. Check relevant fuses and relays. Replace if faulty and retest. If fuse repeatedly blows, suspect short to ground.
  4. Visually inspect the affected door wiring harness, grommet/boot between door and body, and connector for damage, corrosion or water ingress. Repair as needed.
  5. Backprobe the actuator connector. With the unlock/lock command applied, measure voltage on the supply and the switching line. Confirm expected voltage change when commanded.
  6. Measure actuator coil resistance with connector disconnected. Compare to model-specific spec. If open or out of range, replace actuator/latch assembly.
  7. Check continuity between actuator connector and BCM connector for opens/shorts. Wiggle test harness while commanding to reproduce intermittent faults.
  8. Test door switch/handle microswitch continuity and operation. Replace if faulty.
  9. If wiring and actuator are good, check BCM outputs and ground at the module. Monitor module outputs with diagnostic tool while commanding locks. Consider module software updates or reflashing if manufacturer procedure indicates.
  10. After repairs, clear codes, cycle locks several times, and verify no return of B1341 and correct operation under all control methods. Re-scan for stored codes.

Likely causes

  • Failed door actuator or latch motor
  • Open or corroded connector/wiring between actuator and BCM
  • Blown fuse or faulty relay in central locking circuit
  • Faulty door switch (mechanical wear or contamination)

Fault status

⚠️ Status
B1341 - Electric door opening circuit: Control unit detected an open/short/high resistance or no expected feedback on the door opening actuator circuit. Action: inspect fuses, wiring/connectors, actuator and control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B1340 B1342 B1234 B1281 U0100
Repair manuals

Manual library for HUMMER

138

Browse 138 HUMMER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

HUMMER

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Code

B1341

LAND ROVER B — Body

Power door unlock - short circuit to ground

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

Causes

  • Blown fuse or faulty relay for central locking/door opener circuit
  • Failed door latch/actuator motor
  • Open, short or high-resistance wiring or connector (corrosion, broken wire)
  • Faulty door switch (handle/lock/unlock switch) or microswitch in latch
  • Body Control Module (BCM)/centrallocking module fault or software issue
  • Poor ground connection at door or module

Symptoms

  • Affected door does not unlock or open using remote/keyless entry
  • Intermittent operation of central locking for one door
  • Audible clicking from door when trying to lock/unlock (weak or no movement)
  • Door opens only mechanically but not electrically
  • Warning or message on dash about door or locking
  • Battery drain in some cases if actuator is stuck energised

What to check

  • Scan vehicle with dealer-level or capable scanner; read freeze frame and related B/C/U codes
  • Verify fuses and relays for central locking/door opener circuits
  • Perform visual inspection of door wiring harness, boots, and connectors for damage or corrosion
  • Operate lock/unlock and observe actuator; listen for sound and feel movement
  • Check operation of door handle and internal lock switch continuity
  • Measure battery voltage at rest and with actuator command (should be near battery voltage when commanded)

Signal parameters

  • Nominal battery voltage at actuator when commanded: ~12 V (may drop under load)
  • Rest voltage at actuator/control line: 0 V or near 12 V depending on design (verify with wiring diagram)
  • Actuator coil resistance (typical range): low ohms (example 5–50 Ω) — refer to model-specific spec
  • Control signal: switched supply or switched ground from BCM; pulse or constant depending on lock/unlock event
  • No continuity (open) or very high resistance indicates wiring/connector or actuator coil fault

Diagnostic algorithm

  1. Retrieve and record all DTCs and freeze-frame data with an OBD/diagnostic tool. Note which door is reported, if specified.
  2. Verify customer symptom(s) and attempt to operate the door using key, interior switch and remote while observing behaviour and listening for actuator noise.
  3. Check relevant fuses and relays. Replace if faulty and retest. If fuse repeatedly blows, suspect short to ground.
  4. Visually inspect the affected door wiring harness, grommet/boot between door and body, and connector for damage, corrosion or water ingress. Repair as needed.
  5. Backprobe the actuator connector. With the unlock/lock command applied, measure voltage on the supply and the switching line. Confirm expected voltage change when commanded.
  6. Measure actuator coil resistance with connector disconnected. Compare to model-specific spec. If open or out of range, replace actuator/latch assembly.
  7. Check continuity between actuator connector and BCM connector for opens/shorts. Wiggle test harness while commanding to reproduce intermittent faults.
  8. Test door switch/handle microswitch continuity and operation. Replace if faulty.
  9. If wiring and actuator are good, check BCM outputs and ground at the module. Monitor module outputs with diagnostic tool while commanding locks. Consider module software updates or reflashing if manufacturer procedure indicates.
  10. After repairs, clear codes, cycle locks several times, and verify no return of B1341 and correct operation under all control methods. Re-scan for stored codes.

Likely causes

  • Failed door actuator or latch motor
  • Open or corroded connector/wiring between actuator and BCM
  • Blown fuse or faulty relay in central locking circuit
  • Faulty door switch (mechanical wear or contamination)

Fault status

⚠️ Status
B1341 - Electric door opening circuit: Control unit detected an open/short/high resistance or no expected feedback on the door opening actuator circuit. Action: inspect fuses, wiring/connectors, actuator and control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B1340 B1342 B1234 B1281 U0100
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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+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
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Code

B1341

Other B — Body

Power Door Unlock Circuit Short To Ground

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

Causes

  • Blown fuse or faulty relay for central locking/door opener circuit
  • Failed door latch/actuator motor
  • Open, short or high-resistance wiring or connector (corrosion, broken wire)
  • Faulty door switch (handle/lock/unlock switch) or microswitch in latch
  • Body Control Module (BCM)/centrallocking module fault or software issue
  • Poor ground connection at door or module

Symptoms

  • Affected door does not unlock or open using remote/keyless entry
  • Intermittent operation of central locking for one door
  • Audible clicking from door when trying to lock/unlock (weak or no movement)
  • Door opens only mechanically but not electrically
  • Warning or message on dash about door or locking
  • Battery drain in some cases if actuator is stuck energised

What to check

  • Scan vehicle with dealer-level or capable scanner; read freeze frame and related B/C/U codes
  • Verify fuses and relays for central locking/door opener circuits
  • Perform visual inspection of door wiring harness, boots, and connectors for damage or corrosion
  • Operate lock/unlock and observe actuator; listen for sound and feel movement
  • Check operation of door handle and internal lock switch continuity
  • Measure battery voltage at rest and with actuator command (should be near battery voltage when commanded)

Signal parameters

  • Nominal battery voltage at actuator when commanded: ~12 V (may drop under load)
  • Rest voltage at actuator/control line: 0 V or near 12 V depending on design (verify with wiring diagram)
  • Actuator coil resistance (typical range): low ohms (example 5–50 Ω) — refer to model-specific spec
  • Control signal: switched supply or switched ground from BCM; pulse or constant depending on lock/unlock event
  • No continuity (open) or very high resistance indicates wiring/connector or actuator coil fault

Diagnostic algorithm

  1. Retrieve and record all DTCs and freeze-frame data with an OBD/diagnostic tool. Note which door is reported, if specified.
  2. Verify customer symptom(s) and attempt to operate the door using key, interior switch and remote while observing behaviour and listening for actuator noise.
  3. Check relevant fuses and relays. Replace if faulty and retest. If fuse repeatedly blows, suspect short to ground.
  4. Visually inspect the affected door wiring harness, grommet/boot between door and body, and connector for damage, corrosion or water ingress. Repair as needed.
  5. Backprobe the actuator connector. With the unlock/lock command applied, measure voltage on the supply and the switching line. Confirm expected voltage change when commanded.
  6. Measure actuator coil resistance with connector disconnected. Compare to model-specific spec. If open or out of range, replace actuator/latch assembly.
  7. Check continuity between actuator connector and BCM connector for opens/shorts. Wiggle test harness while commanding to reproduce intermittent faults.
  8. Test door switch/handle microswitch continuity and operation. Replace if faulty.
  9. If wiring and actuator are good, check BCM outputs and ground at the module. Monitor module outputs with diagnostic tool while commanding locks. Consider module software updates or reflashing if manufacturer procedure indicates.
  10. After repairs, clear codes, cycle locks several times, and verify no return of B1341 and correct operation under all control methods. Re-scan for stored codes.

Likely causes

  • Failed door actuator or latch motor
  • Open or corroded connector/wiring between actuator and BCM
  • Blown fuse or faulty relay in central locking circuit
  • Faulty door switch (mechanical wear or contamination)

Fault status

⚠️ Status
B1341 - Electric door opening circuit: Control unit detected an open/short/high resistance or no expected feedback on the door opening actuator circuit. Action: inspect fuses, wiring/connectors, actuator and control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

B1340 B1342 B1234 B1281 U0100
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