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Home / DTC / B1713 — Mirror Switch R Down Input Stuck High

B1713 — Mirror Switch R Down Input Stuck High

Detailed page for trouble code B1713.

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Code

B1713

HUMMER B — Body

Mirror Switch R Down Input Stuck High

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

Causes

  • Faulty mirror switch (sticky/shorted contact)
  • Short to battery/ignition voltage on the switch signal wire
  • Corroded or damaged connector or harness (pin stuck to power)
  • Water intrusion in switch or door wiring
  • Faulty body control module (BCM) or mirror control module
  • Poor ground or fused power fault causing erroneous voltage reference

Symptoms

  • Right mirror will not move down (or behaves unpredictably)
  • DTC B1713 stored in BCM or mirror module
  • Mirror may move in other directions but not down
  • Intermittent operation that may change with door position or temperature
  • Possible blown fuse (if short to power is heavy) or other mirror circuit faults

What to check

  • Scan for stored/confirmed/freeze-frame data and note conditions when code set
  • Visually inspect right door mirror switch and connector for corrosion, damage, water
  • Check fuses related to mirror/memory/BCM circuits
  • Backprobe the mirror switch connector and monitor the 'Down' signal with key on
  • Disconnect the mirror switch connector and observe the signal at the harness connector
  • Wiggle test door harness while observing scan data or voltages for intermittent changes

Signal parameters

  • Reference: battery voltage ≈ 12–14 V
  • Expected idle (no down command): signal should be LOW or open (near 0 V or pulled low by module)
  • Expected active (down command): signal should switch to HIGH (near battery voltage) or change state per vehicle design
  • Stuck-high condition: signal measures near battery voltage with switch released
  • Switch closed state: continuity to the appropriate supply or ground (depending on design); open when released

Diagnostic algorithm

  1. Retrieve and record DTC details and freeze frame. Attempt to reproduce the fault (operate the mirror down).
  2. Visually inspect the mirror switch, door harness, and connectors for corrosion, bent pins, paint overspray, or water intrusion. Repair obvious damage.
  3. With ignition ON, backprobe the mirror switch 'Down' signal at the harness connector and measure voltage with the switch released and pressed. Note results.
  4. Disconnect the mirror switch connector. Re-measure the signal at the harness side. If the fault signal (high) remains with the switch disconnected, suspect a short to power in the wiring or module. If the signal goes inactive with the switch disconnected, suspect the switch.
  5. Perform a continuity and resistance check between the signal wire and battery/ground according to vehicle wiring (compare to specifications or the opposite side). Look for shorts to battery or unexpected continuity.
  6. Wiggle the door harness, connector, and switch while monitoring the signal to find intermittent wiring faults.
  7. If wiring and connectors test good, install a known-good mirror switch or bench-test the suspect switch to confirm internal failure.
  8. If the switch and wiring are good, inspect BCM/mirror module outputs/inputs. Check for software updates, lost programming, or module faults. Consider module replacement only after exhaustively verifying wiring and switch.
  9. After repair, clear codes and verify correct operation through multiple cycles and a road/door test to ensure the code does not return.

Likely causes

  • Corroded/damaged connector or wiring in the door harness
  • Failed mirror switch internal contact shorted to power
  • Water ingress causing switch contact to stay high

Fault status

⚠️ Status
Right mirror 'Down' switch input detected at high voltage (stuck high) — possible short to battery or faulty switch/circuit.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5 - 1.5 hours

Similar codes

B1710 B1711 B1712 B1714 B1720
Repair manuals

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Code

B1713

LAND ROVER B — Body

Switch front of the driver's seat - lower circuit

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

Causes

  • Faulty mirror switch (sticky/shorted contact)
  • Short to battery/ignition voltage on the switch signal wire
  • Corroded or damaged connector or harness (pin stuck to power)
  • Water intrusion in switch or door wiring
  • Faulty body control module (BCM) or mirror control module
  • Poor ground or fused power fault causing erroneous voltage reference

Symptoms

  • Right mirror will not move down (or behaves unpredictably)
  • DTC B1713 stored in BCM or mirror module
  • Mirror may move in other directions but not down
  • Intermittent operation that may change with door position or temperature
  • Possible blown fuse (if short to power is heavy) or other mirror circuit faults

What to check

  • Scan for stored/confirmed/freeze-frame data and note conditions when code set
  • Visually inspect right door mirror switch and connector for corrosion, damage, water
  • Check fuses related to mirror/memory/BCM circuits
  • Backprobe the mirror switch connector and monitor the 'Down' signal with key on
  • Disconnect the mirror switch connector and observe the signal at the harness connector
  • Wiggle test door harness while observing scan data or voltages for intermittent changes

Signal parameters

  • Reference: battery voltage ≈ 12–14 V
  • Expected idle (no down command): signal should be LOW or open (near 0 V or pulled low by module)
  • Expected active (down command): signal should switch to HIGH (near battery voltage) or change state per vehicle design
  • Stuck-high condition: signal measures near battery voltage with switch released
  • Switch closed state: continuity to the appropriate supply or ground (depending on design); open when released

Diagnostic algorithm

  1. Retrieve and record DTC details and freeze frame. Attempt to reproduce the fault (operate the mirror down).
  2. Visually inspect the mirror switch, door harness, and connectors for corrosion, bent pins, paint overspray, or water intrusion. Repair obvious damage.
  3. With ignition ON, backprobe the mirror switch 'Down' signal at the harness connector and measure voltage with the switch released and pressed. Note results.
  4. Disconnect the mirror switch connector. Re-measure the signal at the harness side. If the fault signal (high) remains with the switch disconnected, suspect a short to power in the wiring or module. If the signal goes inactive with the switch disconnected, suspect the switch.
  5. Perform a continuity and resistance check between the signal wire and battery/ground according to vehicle wiring (compare to specifications or the opposite side). Look for shorts to battery or unexpected continuity.
  6. Wiggle the door harness, connector, and switch while monitoring the signal to find intermittent wiring faults.
  7. If wiring and connectors test good, install a known-good mirror switch or bench-test the suspect switch to confirm internal failure.
  8. If the switch and wiring are good, inspect BCM/mirror module outputs/inputs. Check for software updates, lost programming, or module faults. Consider module replacement only after exhaustively verifying wiring and switch.
  9. After repair, clear codes and verify correct operation through multiple cycles and a road/door test to ensure the code does not return.

Likely causes

  • Corroded/damaged connector or wiring in the door harness
  • Failed mirror switch internal contact shorted to power
  • Water ingress causing switch contact to stay high

Fault status

⚠️ Status
Right mirror 'Down' switch input detected at high voltage (stuck high) — possible short to battery or faulty switch/circuit.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5 - 1.5 hours

Similar codes

B1710 B1711 B1712 B1714 B1720
320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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Code

B1713

MITSUBISHI B — Body

Rain auto light sensor fail

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

Causes

  • Faulty mirror switch (sticky/shorted contact)
  • Short to battery/ignition voltage on the switch signal wire
  • Corroded or damaged connector or harness (pin stuck to power)
  • Water intrusion in switch or door wiring
  • Faulty body control module (BCM) or mirror control module
  • Poor ground or fused power fault causing erroneous voltage reference

Symptoms

  • Right mirror will not move down (or behaves unpredictably)
  • DTC B1713 stored in BCM or mirror module
  • Mirror may move in other directions but not down
  • Intermittent operation that may change with door position or temperature
  • Possible blown fuse (if short to power is heavy) or other mirror circuit faults

What to check

  • Scan for stored/confirmed/freeze-frame data and note conditions when code set
  • Visually inspect right door mirror switch and connector for corrosion, damage, water
  • Check fuses related to mirror/memory/BCM circuits
  • Backprobe the mirror switch connector and monitor the 'Down' signal with key on
  • Disconnect the mirror switch connector and observe the signal at the harness connector
  • Wiggle test door harness while observing scan data or voltages for intermittent changes

Signal parameters

  • Reference: battery voltage ≈ 12–14 V
  • Expected idle (no down command): signal should be LOW or open (near 0 V or pulled low by module)
  • Expected active (down command): signal should switch to HIGH (near battery voltage) or change state per vehicle design
  • Stuck-high condition: signal measures near battery voltage with switch released
  • Switch closed state: continuity to the appropriate supply or ground (depending on design); open when released

Diagnostic algorithm

  1. Retrieve and record DTC details and freeze frame. Attempt to reproduce the fault (operate the mirror down).
  2. Visually inspect the mirror switch, door harness, and connectors for corrosion, bent pins, paint overspray, or water intrusion. Repair obvious damage.
  3. With ignition ON, backprobe the mirror switch 'Down' signal at the harness connector and measure voltage with the switch released and pressed. Note results.
  4. Disconnect the mirror switch connector. Re-measure the signal at the harness side. If the fault signal (high) remains with the switch disconnected, suspect a short to power in the wiring or module. If the signal goes inactive with the switch disconnected, suspect the switch.
  5. Perform a continuity and resistance check between the signal wire and battery/ground according to vehicle wiring (compare to specifications or the opposite side). Look for shorts to battery or unexpected continuity.
  6. Wiggle the door harness, connector, and switch while monitoring the signal to find intermittent wiring faults.
  7. If wiring and connectors test good, install a known-good mirror switch or bench-test the suspect switch to confirm internal failure.
  8. If the switch and wiring are good, inspect BCM/mirror module outputs/inputs. Check for software updates, lost programming, or module faults. Consider module replacement only after exhaustively verifying wiring and switch.
  9. After repair, clear codes and verify correct operation through multiple cycles and a road/door test to ensure the code does not return.

Likely causes

  • Corroded/damaged connector or wiring in the door harness
  • Failed mirror switch internal contact shorted to power
  • Water ingress causing switch contact to stay high

Fault status

⚠️ Status
Right mirror 'Down' switch input detected at high voltage (stuck high) — possible short to battery or faulty switch/circuit.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5 - 1.5 hours

Similar codes

B1710 B1711 B1712 B1714 B1720
406

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

MITSUBISHI

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

B1713

Other B — Body

Seat Driver Front Down Switch Circuit Failure

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

Causes

  • Faulty mirror switch (sticky/shorted contact)
  • Short to battery/ignition voltage on the switch signal wire
  • Corroded or damaged connector or harness (pin stuck to power)
  • Water intrusion in switch or door wiring
  • Faulty body control module (BCM) or mirror control module
  • Poor ground or fused power fault causing erroneous voltage reference

Symptoms

  • Right mirror will not move down (or behaves unpredictably)
  • DTC B1713 stored in BCM or mirror module
  • Mirror may move in other directions but not down
  • Intermittent operation that may change with door position or temperature
  • Possible blown fuse (if short to power is heavy) or other mirror circuit faults

What to check

  • Scan for stored/confirmed/freeze-frame data and note conditions when code set
  • Visually inspect right door mirror switch and connector for corrosion, damage, water
  • Check fuses related to mirror/memory/BCM circuits
  • Backprobe the mirror switch connector and monitor the 'Down' signal with key on
  • Disconnect the mirror switch connector and observe the signal at the harness connector
  • Wiggle test door harness while observing scan data or voltages for intermittent changes

Signal parameters

  • Reference: battery voltage ≈ 12–14 V
  • Expected idle (no down command): signal should be LOW or open (near 0 V or pulled low by module)
  • Expected active (down command): signal should switch to HIGH (near battery voltage) or change state per vehicle design
  • Stuck-high condition: signal measures near battery voltage with switch released
  • Switch closed state: continuity to the appropriate supply or ground (depending on design); open when released

Diagnostic algorithm

  1. Retrieve and record DTC details and freeze frame. Attempt to reproduce the fault (operate the mirror down).
  2. Visually inspect the mirror switch, door harness, and connectors for corrosion, bent pins, paint overspray, or water intrusion. Repair obvious damage.
  3. With ignition ON, backprobe the mirror switch 'Down' signal at the harness connector and measure voltage with the switch released and pressed. Note results.
  4. Disconnect the mirror switch connector. Re-measure the signal at the harness side. If the fault signal (high) remains with the switch disconnected, suspect a short to power in the wiring or module. If the signal goes inactive with the switch disconnected, suspect the switch.
  5. Perform a continuity and resistance check between the signal wire and battery/ground according to vehicle wiring (compare to specifications or the opposite side). Look for shorts to battery or unexpected continuity.
  6. Wiggle the door harness, connector, and switch while monitoring the signal to find intermittent wiring faults.
  7. If wiring and connectors test good, install a known-good mirror switch or bench-test the suspect switch to confirm internal failure.
  8. If the switch and wiring are good, inspect BCM/mirror module outputs/inputs. Check for software updates, lost programming, or module faults. Consider module replacement only after exhaustively verifying wiring and switch.
  9. After repair, clear codes and verify correct operation through multiple cycles and a road/door test to ensure the code does not return.

Likely causes

  • Corroded/damaged connector or wiring in the door harness
  • Failed mirror switch internal contact shorted to power
  • Water ingress causing switch contact to stay high

Fault status

⚠️ Status
Right mirror 'Down' switch input detected at high voltage (stuck high) — possible short to battery or faulty switch/circuit.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5 - 1.5 hours

Similar codes

B1710 B1711 B1712 B1714 B1720
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