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Home / DTC / B1562 — DR.cut SW SHT.to GND for N.C

B1562 — DR.cut SW SHT.to GND for N.C

Detailed page for trouble code B1562.

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22,491specific
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Code

B1562

MITSUBISHI B — Body

DR.cut SW SHT.to GND for N.C

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

Causes

  • Damaged wiring harness (insulation abrasion, chafing) causing wire to short to chassis ground
  • Corroded or pushed-pin connector creating unintended ground path
  • Failed or internally shorted switch assembly
  • Aftermarket accessory or previous repair created a spliced ground
  • Faulty body control module (BCM) or input driver (less common)

Symptoms

  • Related body function controlled by the switch may not operate or is disabled
  • DTC stored in the BCM and possible warning indicator or message depending on vehicle
  • Intermittent operation of the associated system (depends on exact circuit)
  • No obvious engine performance symptoms (code is body-electrical)

What to check

  • Read freeze-frame/inspection data and note when fault occurs (ignition on, door open/closed, etc.)
  • Identify the exact circuit and connector from the vehicle wiring diagram for the DR.cut switch
  • Visually inspect wiring along the circuit route for damage, rubbing, pinching, or repair splices
  • Disconnect the switch connector and check for continuity to ground and for unexpected low resistance
  • Check connector terminals for corrosion, bent pins, or pushed-out pins
  • Use a lab scope or multimeter to monitor the circuit while operating the switch (or actuating the related component)

Signal parameters

  • Reference: N.C. (normally-closed) switch — circuit should read close to 0 Ω to ground when closed, and open/high resistance when actuated (open)
  • Voltage (engine off / ignition ON): ~0 V at circuit to ground when switch closed; ~battery voltage (approx. 10–14 V) when switch open (depends on circuit pull-up)
  • If measured near 0 V or very low resistance to chassis ground when switch should be open, this indicates a short to ground
  • Typical continuity: closed = near 0 Ω, open = OL or several kiloohms (per factory spec)

Diagnostic algorithm

  1. Retrieve codes and freeze frame; record conditions when B1562 set.
  2. Consult factory wiring diagram to identify wire color, connector locations, pin numbers, and related modules for the DR.cut switch circuit.
  3. Visually inspect the entire harness run for damage, focusing on areas that move (doors, hinges) and any previous repair/aftermarket splice points.
  4. With ignition OFF, disconnect the switch connector and measure resistance from the circuit pin to chassis ground. Compare to expected open/closed states from the diagram.
  5. If the circuit still reads shorted to ground with switch disconnected, isolate by disconnecting connectors along the harness toward the BCM until the short clears to locate the damaged section.
  6. If the short disappears when the switch is disconnected, bench-test or replace the switch. Inspect and repair connector pins if necessary.
  7. If the circuit tests OK (no short) but code returns, perform a module input pin test: backprobe BCM input while operating switch and verify correct voltage transitions; if BCM input driver is faulty, consider module diagnostics or replacement per factory procedure.
  8. After repairs, clear codes, cycle ignition and operate the affected system to confirm the fault does not return.
  9. If intermittent, perform wiggle testing and road/functional test under the same conditions that originally set the code.

Likely causes

  • Damaged wiring near hinge points, door jambs, or moving parts where the DR.cut switch circuit runs
  • Switch stuck or internally shorted (mechanical failure or water ingress)
  • Connector contamination/corrosion or bent terminals
  • Incorrect wiring from aftermarket alarm/remote start or improper previous repair

Fault status

⚠️ Status
B1562 — DR.cut switch circuit shorted to ground (normally-closed switch). Inspect switch, connector, harness for short to chassis ground.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

B1560 B1561 B1563 B1564 B1600 B1620
406

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

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Code

B1562

Other B — Body

Door Lock Cylinder Circuit Short To Ground

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

Causes

  • Damaged wiring harness (insulation abrasion, chafing) causing wire to short to chassis ground
  • Corroded or pushed-pin connector creating unintended ground path
  • Failed or internally shorted switch assembly
  • Aftermarket accessory or previous repair created a spliced ground
  • Faulty body control module (BCM) or input driver (less common)

Symptoms

  • Related body function controlled by the switch may not operate or is disabled
  • DTC stored in the BCM and possible warning indicator or message depending on vehicle
  • Intermittent operation of the associated system (depends on exact circuit)
  • No obvious engine performance symptoms (code is body-electrical)

What to check

  • Read freeze-frame/inspection data and note when fault occurs (ignition on, door open/closed, etc.)
  • Identify the exact circuit and connector from the vehicle wiring diagram for the DR.cut switch
  • Visually inspect wiring along the circuit route for damage, rubbing, pinching, or repair splices
  • Disconnect the switch connector and check for continuity to ground and for unexpected low resistance
  • Check connector terminals for corrosion, bent pins, or pushed-out pins
  • Use a lab scope or multimeter to monitor the circuit while operating the switch (or actuating the related component)

Signal parameters

  • Reference: N.C. (normally-closed) switch — circuit should read close to 0 Ω to ground when closed, and open/high resistance when actuated (open)
  • Voltage (engine off / ignition ON): ~0 V at circuit to ground when switch closed; ~battery voltage (approx. 10–14 V) when switch open (depends on circuit pull-up)
  • If measured near 0 V or very low resistance to chassis ground when switch should be open, this indicates a short to ground
  • Typical continuity: closed = near 0 Ω, open = OL or several kiloohms (per factory spec)

Diagnostic algorithm

  1. Retrieve codes and freeze frame; record conditions when B1562 set.
  2. Consult factory wiring diagram to identify wire color, connector locations, pin numbers, and related modules for the DR.cut switch circuit.
  3. Visually inspect the entire harness run for damage, focusing on areas that move (doors, hinges) and any previous repair/aftermarket splice points.
  4. With ignition OFF, disconnect the switch connector and measure resistance from the circuit pin to chassis ground. Compare to expected open/closed states from the diagram.
  5. If the circuit still reads shorted to ground with switch disconnected, isolate by disconnecting connectors along the harness toward the BCM until the short clears to locate the damaged section.
  6. If the short disappears when the switch is disconnected, bench-test or replace the switch. Inspect and repair connector pins if necessary.
  7. If the circuit tests OK (no short) but code returns, perform a module input pin test: backprobe BCM input while operating switch and verify correct voltage transitions; if BCM input driver is faulty, consider module diagnostics or replacement per factory procedure.
  8. After repairs, clear codes, cycle ignition and operate the affected system to confirm the fault does not return.
  9. If intermittent, perform wiggle testing and road/functional test under the same conditions that originally set the code.

Likely causes

  • Damaged wiring near hinge points, door jambs, or moving parts where the DR.cut switch circuit runs
  • Switch stuck or internally shorted (mechanical failure or water ingress)
  • Connector contamination/corrosion or bent terminals
  • Incorrect wiring from aftermarket alarm/remote start or improper previous repair

Fault status

⚠️ Status
B1562 — DR.cut switch circuit shorted to ground (normally-closed switch). Inspect switch, connector, harness for short to chassis ground.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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B1560 B1561 B1563 B1564 B1600 B1620
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