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Home / DTC / B2206 — Right Rear Window Switch Stuck in Up Position

B2206 — Right Rear Window Switch Stuck in Up Position

Detailed page for trouble code B2206.

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22,461specific
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Code

B2206

HUMMER B — Body

Right Rear Window Switch Stuck in Up Position

Brand: HUMMER
Type: B — Body
Views: UK: 13 EN: 23 RU: 26
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or internally shorted right rear window switch
  • Corroded or contaminated switch contacts or connector
  • Wiring short to battery or ground on the switch circuit
  • Foreign object or mechanical jam in the window regulator causing feedback to control module
  • Faulty body control module/window control module or software fault
  • Poor ground or loose connector at switch or module

Symptoms

  • Right rear window will not operate normally (may stay moving up, not move down, or not respond)
  • Window may immediately travel up or be intermittently commanded up
  • Other power window functions may work while right rear window is inactive or erratic
  • Possible blown fuse(s) or recurring DTCs related to window circuit
  • Water or visible corrosion at switch or inside door trim

What to check

  • Attempt to reproduce condition with ignition ON and key in accessory/run
  • Visually inspect right rear door switch, bezel and connector for corrosion, damage, or water
  • Scan vehicle for additional DTCs and note freeze frame/occurrence data
  • Operate switch while listening/observing motor and linkage; note if switch physically sticks
  • Backprobe the switch connector and measure voltages while operating switch (compare to expected values)
  • Disconnect the switch connector and verify whether the stuck condition and DTC clear/stop (isolates switch vs wiring/module)

Signal parameters

  • Ignition ON, switch neutral: signal circuit should be open/near-floating (no constant 12V)
  • When UP pressed: switch output should provide a high signal (near battery voltage ~12V) or ground reference depending on design
  • When DOWN pressed: opposite polarity or alternate circuit energised; measure expected voltage change with multimeter or scope
  • Expected continuity: switch contacts closed only while button actuated; infinite/open when released
  • Motor supply current: brief current during move, significantly higher if regulator is jammed (use clamp meter)

Diagnostic algorithm

  1. Read/record DTCs and clear codes, then attempt to recreate B2206 to confirm persistence.
  2. Inspect right rear switch and surrounding trim for contamination, loose mounting or damage. Operate switch while observing for mechanical sticking.
  3. With ignition ON, backprobe the switch connector. Observe signal voltages in neutral, UP, and DOWN positions. Compare to expected values in signal_params.
  4. Disconnect the switch connector. If the DTC clears or the UP command stops, suspect switch or connector. If it persists, suspect wiring or module.
  5. Wiggle harness and connector while monitoring signals to check for intermittent shorts or opens.
  6. Inspect door harness through the door jamb for chafing, pinched wires or water entry and repair any damage.
  7. If wiring and connector are good, test/replace the switch. Confirm replacement cures the code.
  8. If replacing switch does not resolve, test the feed and ground at the module; check module inputs/outputs and reprogram/update software per service info. Replace module only after verifying inputs are correct.
  9. After repairs, clear codes and perform multiple window operations to confirm proper function and no recurrence.
  10. Document repairs and monitor for recurrence.

Likely causes

  • Internal switch contact welded or stuck due to wear or contamination
  • Corroded connector or pin causing constant UP signal
  • Shorted/high-side feed or stuck low-side to ground in switch harness
  • Failed right rear window switch module (replace switch to confirm)

Fault status

⚠️ Status
Right rear window switch circuit reports a continuous UP command (switch stuck in UP position).
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

B2200 B2205 B2207 B2210 B2299
Repair manuals

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138

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Code

B2206

LAND ROVER B — Body

error gyroscope Control Module

Brand: LAND ROVER
Type: B — Body
Views: UK: 15 EN: 19 RU: 18
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or internally shorted right rear window switch
  • Corroded or contaminated switch contacts or connector
  • Wiring short to battery or ground on the switch circuit
  • Foreign object or mechanical jam in the window regulator causing feedback to control module
  • Faulty body control module/window control module or software fault
  • Poor ground or loose connector at switch or module

Symptoms

  • Right rear window will not operate normally (may stay moving up, not move down, or not respond)
  • Window may immediately travel up or be intermittently commanded up
  • Other power window functions may work while right rear window is inactive or erratic
  • Possible blown fuse(s) or recurring DTCs related to window circuit
  • Water or visible corrosion at switch or inside door trim

What to check

  • Attempt to reproduce condition with ignition ON and key in accessory/run
  • Visually inspect right rear door switch, bezel and connector for corrosion, damage, or water
  • Scan vehicle for additional DTCs and note freeze frame/occurrence data
  • Operate switch while listening/observing motor and linkage; note if switch physically sticks
  • Backprobe the switch connector and measure voltages while operating switch (compare to expected values)
  • Disconnect the switch connector and verify whether the stuck condition and DTC clear/stop (isolates switch vs wiring/module)

Signal parameters

  • Ignition ON, switch neutral: signal circuit should be open/near-floating (no constant 12V)
  • When UP pressed: switch output should provide a high signal (near battery voltage ~12V) or ground reference depending on design
  • When DOWN pressed: opposite polarity or alternate circuit energised; measure expected voltage change with multimeter or scope
  • Expected continuity: switch contacts closed only while button actuated; infinite/open when released
  • Motor supply current: brief current during move, significantly higher if regulator is jammed (use clamp meter)

Diagnostic algorithm

  1. Read/record DTCs and clear codes, then attempt to recreate B2206 to confirm persistence.
  2. Inspect right rear switch and surrounding trim for contamination, loose mounting or damage. Operate switch while observing for mechanical sticking.
  3. With ignition ON, backprobe the switch connector. Observe signal voltages in neutral, UP, and DOWN positions. Compare to expected values in signal_params.
  4. Disconnect the switch connector. If the DTC clears or the UP command stops, suspect switch or connector. If it persists, suspect wiring or module.
  5. Wiggle harness and connector while monitoring signals to check for intermittent shorts or opens.
  6. Inspect door harness through the door jamb for chafing, pinched wires or water entry and repair any damage.
  7. If wiring and connector are good, test/replace the switch. Confirm replacement cures the code.
  8. If replacing switch does not resolve, test the feed and ground at the module; check module inputs/outputs and reprogram/update software per service info. Replace module only after verifying inputs are correct.
  9. After repairs, clear codes and perform multiple window operations to confirm proper function and no recurrence.
  10. Document repairs and monitor for recurrence.

Likely causes

  • Internal switch contact welded or stuck due to wear or contamination
  • Corroded connector or pin causing constant UP signal
  • Shorted/high-side feed or stuck low-side to ground in switch harness
  • Failed right rear window switch module (replace switch to confirm)

Fault status

⚠️ Status
Right rear window switch circuit reports a continuous UP command (switch stuck in UP position).
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

B2200 B2205 B2207 B2210 B2299
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

B2206

MITSUBISHI B — Body

Chassis No. mismatch

Brand: MITSUBISHI
Type: B — Body
Views: UK: 14 EN: 22 RU: 24
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or internally shorted right rear window switch
  • Corroded or contaminated switch contacts or connector
  • Wiring short to battery or ground on the switch circuit
  • Foreign object or mechanical jam in the window regulator causing feedback to control module
  • Faulty body control module/window control module or software fault
  • Poor ground or loose connector at switch or module

Symptoms

  • Right rear window will not operate normally (may stay moving up, not move down, or not respond)
  • Window may immediately travel up or be intermittently commanded up
  • Other power window functions may work while right rear window is inactive or erratic
  • Possible blown fuse(s) or recurring DTCs related to window circuit
  • Water or visible corrosion at switch or inside door trim

What to check

  • Attempt to reproduce condition with ignition ON and key in accessory/run
  • Visually inspect right rear door switch, bezel and connector for corrosion, damage, or water
  • Scan vehicle for additional DTCs and note freeze frame/occurrence data
  • Operate switch while listening/observing motor and linkage; note if switch physically sticks
  • Backprobe the switch connector and measure voltages while operating switch (compare to expected values)
  • Disconnect the switch connector and verify whether the stuck condition and DTC clear/stop (isolates switch vs wiring/module)

Signal parameters

  • Ignition ON, switch neutral: signal circuit should be open/near-floating (no constant 12V)
  • When UP pressed: switch output should provide a high signal (near battery voltage ~12V) or ground reference depending on design
  • When DOWN pressed: opposite polarity or alternate circuit energised; measure expected voltage change with multimeter or scope
  • Expected continuity: switch contacts closed only while button actuated; infinite/open when released
  • Motor supply current: brief current during move, significantly higher if regulator is jammed (use clamp meter)

Diagnostic algorithm

  1. Read/record DTCs and clear codes, then attempt to recreate B2206 to confirm persistence.
  2. Inspect right rear switch and surrounding trim for contamination, loose mounting or damage. Operate switch while observing for mechanical sticking.
  3. With ignition ON, backprobe the switch connector. Observe signal voltages in neutral, UP, and DOWN positions. Compare to expected values in signal_params.
  4. Disconnect the switch connector. If the DTC clears or the UP command stops, suspect switch or connector. If it persists, suspect wiring or module.
  5. Wiggle harness and connector while monitoring signals to check for intermittent shorts or opens.
  6. Inspect door harness through the door jamb for chafing, pinched wires or water entry and repair any damage.
  7. If wiring and connector are good, test/replace the switch. Confirm replacement cures the code.
  8. If replacing switch does not resolve, test the feed and ground at the module; check module inputs/outputs and reprogram/update software per service info. Replace module only after verifying inputs are correct.
  9. After repairs, clear codes and perform multiple window operations to confirm proper function and no recurrence.
  10. Document repairs and monitor for recurrence.

Likely causes

  • Internal switch contact welded or stuck due to wear or contamination
  • Corroded connector or pin causing constant UP signal
  • Shorted/high-side feed or stuck low-side to ground in switch harness
  • Failed right rear window switch module (replace switch to confirm)

Fault status

⚠️ Status
Right rear window switch circuit reports a continuous UP command (switch stuck in UP position).
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

B2200 B2205 B2207 B2210 B2299
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

B2206

Other B — Body

Gyroscope Error

Brand: Other
Type: B — Body
Views: UK: 19 EN: 32 RU: 35
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Failed or internally shorted right rear window switch
  • Corroded or contaminated switch contacts or connector
  • Wiring short to battery or ground on the switch circuit
  • Foreign object or mechanical jam in the window regulator causing feedback to control module
  • Faulty body control module/window control module or software fault
  • Poor ground or loose connector at switch or module

Symptoms

  • Right rear window will not operate normally (may stay moving up, not move down, or not respond)
  • Window may immediately travel up or be intermittently commanded up
  • Other power window functions may work while right rear window is inactive or erratic
  • Possible blown fuse(s) or recurring DTCs related to window circuit
  • Water or visible corrosion at switch or inside door trim

What to check

  • Attempt to reproduce condition with ignition ON and key in accessory/run
  • Visually inspect right rear door switch, bezel and connector for corrosion, damage, or water
  • Scan vehicle for additional DTCs and note freeze frame/occurrence data
  • Operate switch while listening/observing motor and linkage; note if switch physically sticks
  • Backprobe the switch connector and measure voltages while operating switch (compare to expected values)
  • Disconnect the switch connector and verify whether the stuck condition and DTC clear/stop (isolates switch vs wiring/module)

Signal parameters

  • Ignition ON, switch neutral: signal circuit should be open/near-floating (no constant 12V)
  • When UP pressed: switch output should provide a high signal (near battery voltage ~12V) or ground reference depending on design
  • When DOWN pressed: opposite polarity or alternate circuit energised; measure expected voltage change with multimeter or scope
  • Expected continuity: switch contacts closed only while button actuated; infinite/open when released
  • Motor supply current: brief current during move, significantly higher if regulator is jammed (use clamp meter)

Diagnostic algorithm

  1. Read/record DTCs and clear codes, then attempt to recreate B2206 to confirm persistence.
  2. Inspect right rear switch and surrounding trim for contamination, loose mounting or damage. Operate switch while observing for mechanical sticking.
  3. With ignition ON, backprobe the switch connector. Observe signal voltages in neutral, UP, and DOWN positions. Compare to expected values in signal_params.
  4. Disconnect the switch connector. If the DTC clears or the UP command stops, suspect switch or connector. If it persists, suspect wiring or module.
  5. Wiggle harness and connector while monitoring signals to check for intermittent shorts or opens.
  6. Inspect door harness through the door jamb for chafing, pinched wires or water entry and repair any damage.
  7. If wiring and connector are good, test/replace the switch. Confirm replacement cures the code.
  8. If replacing switch does not resolve, test the feed and ground at the module; check module inputs/outputs and reprogram/update software per service info. Replace module only after verifying inputs are correct.
  9. After repairs, clear codes and perform multiple window operations to confirm proper function and no recurrence.
  10. Document repairs and monitor for recurrence.

Likely causes

  • Internal switch contact welded or stuck due to wear or contamination
  • Corroded connector or pin causing constant UP signal
  • Shorted/high-side feed or stuck low-side to ground in switch harness
  • Failed right rear window switch module (replace switch to confirm)

Fault status

⚠️ Status
Right rear window switch circuit reports a continuous UP command (switch stuck in UP position).
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-1.5 hours

Similar codes

B2200 B2205 B2207 B2210 B2299
6,642

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