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Home / DTC / B1061 — Front Passenger Presence Sensor Circuit Short to Ground

B1061 — Front Passenger Presence Sensor Circuit Short to Ground

Detailed page for trouble code B1061.

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22,491specific
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Code

B1061

HUMMER B — Body

Front Passenger Presence Sensor Circuit Short to Ground

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

Causes

  • Damaged sensor pad or mat in passenger seat
  • Chafed or pinched wiring contacting seat frame or chassis ground
  • Corroded, loose or pushed-out connector terminals at the sensor or OCM
  • Water or liquid intrusion into the seat or connector
  • Aftermarket seat covers, heated seats or other modifications interfering with the sensor
  • Faulty occupant classification module / airbag control module

Symptoms

  • Passenger presence/seat occupancy indicator may be incorrect or not illuminated
  • Passenger airbag may be disabled when it should be enabled or behaviour changed based on occupancy state
  • Airbag warning lamp or SRS warning on instrument panel
  • Stored B1061 PIDs/freeze frame in airbag/OCM module
  • Inconsistent seat detection (present/absent) or intermittent faults when seat is moved or occupant shifts weight

What to check

  • Use a scan tool to read DTCs and freeze frame data; note ignition cycle when fault sets
  • Visually inspect passenger seat area, connectors under seat, harness routing and grommets for damage, corrosion or water
  • Check for aftermarket seat covers, heated elements or recent repairs that could affect wiring
  • With ignition off and battery disconnected per OEM procedure, remove access panels and verify connector pins are fully seated and undamaged
  • Reconnect battery per safety procedure, then backprobe the sensor connector and measure voltage at key on to check for shorts to ground
  • Wiggle-test harness and connectors while watching live data or DTC status to reproduce intermittent shorts

Signal parameters

  • Normal sensor circuit voltage will vary by vehicle and system; expected open-circuit or active voltages typically in the 0.5–4.5 V range depending on OEM design
  • Short to ground condition will show voltage near 0 V (ground potential) on the sensor input pin when measured with respect to vehicle ground
  • Sensor resistance: many seat mats show measurable resistance/impedance; a near 0 Ω reading between sensor signal and ground indicates internal short
  • OCM input pin should show high impedance when sensor disconnected (verify with service manual)

Diagnostic algorithm

  1. Safety first: disable battery negative and wait recommended time (refer to OEM SRS procedure) before removing trim or connectors near the airbag/occupant classification system
  2. Scan and record codes/freeze frame. Clear codes and attempt to re-create. Note when B1061 sets.
  3. Perform visual inspection of seat, underside, and wiring harness for damage, corrosion, water, or aftermarket components.
  4. With ignition ON (follow SRS safety steps), backprobe sensor connector and measure signal voltage to ground. A voltage near 0 V indicates a short to ground. If uncertain, compare to service manual expected values.
  5. Wiggle harness and connectors while watching live data or DTC status to isolate a movement-related short.
  6. Disconnect the seat sensor mat and clear codes. If code does not return, fault is in mat or harness between mat and OCM. If code remains, suspect wiring upstream or module.
  7. Inspect harness continuity: check for continuity between sensor signal and chassis ground (should not be < a few ohms). A low resistance path confirms a short.
  8. Inspect connector pins for corrosion, bent/pushed out pins, or pin-to-shell contact. Repair or replace damaged connectors, pins or harness sections.
  9. If wiring and connectors test OK, swap or test OCM/airbag module inputs per OEM procedure or consult module bench test procedures. Replace module only after wiring and sensor are verified good.
  10. After any repair or replacement, perform required occupant classification system calibration/relearn and clear codes, then verify with road test or occupant placements.
  11. Note: follow OEM SRS electrical isolation and disabling procedures before service on or near restraint components.

Likely causes

  • Seat wiring harness abrasion where it passes over metal or through a grommet causing contact with ground
  • Connector terminal collapsed or corroded, creating a low resistance path to ground
  • Sensor mat punctured or moisture-damaged causing internal short to ground
  • Connector retained pin moved/shorted during seat removal or service

Fault status

⚠️ Status
Front Passenger Presence Sensor Circuit Short to Ground — the occupant classification module detected a low-voltage/ground fault on the front passenger presence sensor input and stored B1061.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

Similar codes

B1060 B1062 B1063 B1650
Repair manuals

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Code

B1061

LAND ROVER B — Body

Exit from the lumbar side of the seat

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

Causes

  • Damaged sensor pad or mat in passenger seat
  • Chafed or pinched wiring contacting seat frame or chassis ground
  • Corroded, loose or pushed-out connector terminals at the sensor or OCM
  • Water or liquid intrusion into the seat or connector
  • Aftermarket seat covers, heated seats or other modifications interfering with the sensor
  • Faulty occupant classification module / airbag control module

Symptoms

  • Passenger presence/seat occupancy indicator may be incorrect or not illuminated
  • Passenger airbag may be disabled when it should be enabled or behaviour changed based on occupancy state
  • Airbag warning lamp or SRS warning on instrument panel
  • Stored B1061 PIDs/freeze frame in airbag/OCM module
  • Inconsistent seat detection (present/absent) or intermittent faults when seat is moved or occupant shifts weight

What to check

  • Use a scan tool to read DTCs and freeze frame data; note ignition cycle when fault sets
  • Visually inspect passenger seat area, connectors under seat, harness routing and grommets for damage, corrosion or water
  • Check for aftermarket seat covers, heated elements or recent repairs that could affect wiring
  • With ignition off and battery disconnected per OEM procedure, remove access panels and verify connector pins are fully seated and undamaged
  • Reconnect battery per safety procedure, then backprobe the sensor connector and measure voltage at key on to check for shorts to ground
  • Wiggle-test harness and connectors while watching live data or DTC status to reproduce intermittent shorts

Signal parameters

  • Normal sensor circuit voltage will vary by vehicle and system; expected open-circuit or active voltages typically in the 0.5–4.5 V range depending on OEM design
  • Short to ground condition will show voltage near 0 V (ground potential) on the sensor input pin when measured with respect to vehicle ground
  • Sensor resistance: many seat mats show measurable resistance/impedance; a near 0 Ω reading between sensor signal and ground indicates internal short
  • OCM input pin should show high impedance when sensor disconnected (verify with service manual)

Diagnostic algorithm

  1. Safety first: disable battery negative and wait recommended time (refer to OEM SRS procedure) before removing trim or connectors near the airbag/occupant classification system
  2. Scan and record codes/freeze frame. Clear codes and attempt to re-create. Note when B1061 sets.
  3. Perform visual inspection of seat, underside, and wiring harness for damage, corrosion, water, or aftermarket components.
  4. With ignition ON (follow SRS safety steps), backprobe sensor connector and measure signal voltage to ground. A voltage near 0 V indicates a short to ground. If uncertain, compare to service manual expected values.
  5. Wiggle harness and connectors while watching live data or DTC status to isolate a movement-related short.
  6. Disconnect the seat sensor mat and clear codes. If code does not return, fault is in mat or harness between mat and OCM. If code remains, suspect wiring upstream or module.
  7. Inspect harness continuity: check for continuity between sensor signal and chassis ground (should not be < a few ohms). A low resistance path confirms a short.
  8. Inspect connector pins for corrosion, bent/pushed out pins, or pin-to-shell contact. Repair or replace damaged connectors, pins or harness sections.
  9. If wiring and connectors test OK, swap or test OCM/airbag module inputs per OEM procedure or consult module bench test procedures. Replace module only after wiring and sensor are verified good.
  10. After any repair or replacement, perform required occupant classification system calibration/relearn and clear codes, then verify with road test or occupant placements.
  11. Note: follow OEM SRS electrical isolation and disabling procedures before service on or near restraint components.

Likely causes

  • Seat wiring harness abrasion where it passes over metal or through a grommet causing contact with ground
  • Connector terminal collapsed or corroded, creating a low resistance path to ground
  • Sensor mat punctured or moisture-damaged causing internal short to ground
  • Connector retained pin moved/shorted during seat removal or service

Fault status

⚠️ Status
Front Passenger Presence Sensor Circuit Short to Ground — the occupant classification module detected a low-voltage/ground fault on the front passenger presence sensor input and stored B1061.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

Similar codes

B1060 B1062 B1063 B1650
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.
Send to email
Code

B1061

MITSUBISHI B — Body

Air outlet damper potentio.high

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

Causes

  • Damaged sensor pad or mat in passenger seat
  • Chafed or pinched wiring contacting seat frame or chassis ground
  • Corroded, loose or pushed-out connector terminals at the sensor or OCM
  • Water or liquid intrusion into the seat or connector
  • Aftermarket seat covers, heated seats or other modifications interfering with the sensor
  • Faulty occupant classification module / airbag control module

Symptoms

  • Passenger presence/seat occupancy indicator may be incorrect or not illuminated
  • Passenger airbag may be disabled when it should be enabled or behaviour changed based on occupancy state
  • Airbag warning lamp or SRS warning on instrument panel
  • Stored B1061 PIDs/freeze frame in airbag/OCM module
  • Inconsistent seat detection (present/absent) or intermittent faults when seat is moved or occupant shifts weight

What to check

  • Use a scan tool to read DTCs and freeze frame data; note ignition cycle when fault sets
  • Visually inspect passenger seat area, connectors under seat, harness routing and grommets for damage, corrosion or water
  • Check for aftermarket seat covers, heated elements or recent repairs that could affect wiring
  • With ignition off and battery disconnected per OEM procedure, remove access panels and verify connector pins are fully seated and undamaged
  • Reconnect battery per safety procedure, then backprobe the sensor connector and measure voltage at key on to check for shorts to ground
  • Wiggle-test harness and connectors while watching live data or DTC status to reproduce intermittent shorts

Signal parameters

  • Normal sensor circuit voltage will vary by vehicle and system; expected open-circuit or active voltages typically in the 0.5–4.5 V range depending on OEM design
  • Short to ground condition will show voltage near 0 V (ground potential) on the sensor input pin when measured with respect to vehicle ground
  • Sensor resistance: many seat mats show measurable resistance/impedance; a near 0 Ω reading between sensor signal and ground indicates internal short
  • OCM input pin should show high impedance when sensor disconnected (verify with service manual)

Diagnostic algorithm

  1. Safety first: disable battery negative and wait recommended time (refer to OEM SRS procedure) before removing trim or connectors near the airbag/occupant classification system
  2. Scan and record codes/freeze frame. Clear codes and attempt to re-create. Note when B1061 sets.
  3. Perform visual inspection of seat, underside, and wiring harness for damage, corrosion, water, or aftermarket components.
  4. With ignition ON (follow SRS safety steps), backprobe sensor connector and measure signal voltage to ground. A voltage near 0 V indicates a short to ground. If uncertain, compare to service manual expected values.
  5. Wiggle harness and connectors while watching live data or DTC status to isolate a movement-related short.
  6. Disconnect the seat sensor mat and clear codes. If code does not return, fault is in mat or harness between mat and OCM. If code remains, suspect wiring upstream or module.
  7. Inspect harness continuity: check for continuity between sensor signal and chassis ground (should not be < a few ohms). A low resistance path confirms a short.
  8. Inspect connector pins for corrosion, bent/pushed out pins, or pin-to-shell contact. Repair or replace damaged connectors, pins or harness sections.
  9. If wiring and connectors test OK, swap or test OCM/airbag module inputs per OEM procedure or consult module bench test procedures. Replace module only after wiring and sensor are verified good.
  10. After any repair or replacement, perform required occupant classification system calibration/relearn and clear codes, then verify with road test or occupant placements.
  11. Note: follow OEM SRS electrical isolation and disabling procedures before service on or near restraint components.

Likely causes

  • Seat wiring harness abrasion where it passes over metal or through a grommet causing contact with ground
  • Connector terminal collapsed or corroded, creating a low resistance path to ground
  • Sensor mat punctured or moisture-damaged causing internal short to ground
  • Connector retained pin moved/shorted during seat removal or service

Fault status

⚠️ Status
Front Passenger Presence Sensor Circuit Short to Ground — the occupant classification module detected a low-voltage/ground fault on the front passenger presence sensor input and stored B1061.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-2.5 hours

Similar codes

B1060 B1062 B1063 B1650
406

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

MITSUBISHI

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

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