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Home / DTC / B2460 — Navigation Antenna Selector Circuit High Current

B2460 — Navigation Antenna Selector Circuit High Current

Detailed page for trouble code B2460.

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22,461specific
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Code

B2460

HUMMER B — Body

Navigation Antenna Selector Circuit High Current

Brand: HUMMER
Type: B — Body
Views: UK: 25 EN: 42 RU: 27
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to battery or short to ground in the antenna selector wiring
  • Failed navigation antenna assembly or internal short in selector/switch
  • Corroded/damaged connector or water intrusion at antenna or harness
  • Aftermarket radio/antenna installation creating improper load or short
  • Faulty body control module (BCM) / antenna selector module driving the circuit

Symptoms

  • No or intermittent GPS/navigation reception
  • Infotainment/navigation antenna warning or reduced radio performance
  • Stored B2460 code and possibly related antenna or body module codes
  • Possible battery drain or blown fuse if current is high enough
  • Loss of antenna switching functionality (if vehicle uses switchable/active antenna)

What to check

  • Retrieve freeze‑frame and all related codes with a scan tool; note whether code is current or history
  • Visually inspect antenna, mast, connectors, and harness routing for damage, corrosion, or water
  • Inspect fuses and fusible links protecting antenna/infotainment circuits
  • Backprobe antenna selector/antenna connector and measure voltage and current with ignition/accessory ON
  • Disconnect the antenna/selector connector to see if the fault clears or current drops (helps isolate load to harness vs module)
  • Wiggle test wiring while monitoring current or code status to locate intermittent shorts

Signal parameters

  • Reference voltage to antenna selector: ~11–14.5 V with ignition/accessory ON (vehicle battery voltage)
  • Expected control/current draw (typical): small, generally
  • High current threshold: persistent current noticeably above normal (often >0.5–1.0 A) will set B2460; verify with vehicle service data
  • Open/short resistance: connector to module should not show low resistance to battery or ground when circuit is disabled; excessive continuity to power/ground indicates short

Diagnostic algorithm

  1. Record DTCs and freeze frame data. Note whether code is pending or confirmed and any related codes (antenna, body module, communications).
  2. Perform a careful visual inspection of the antenna, mast, connectors, and harness routing (roof, liftgate, rear glass). Look for corrosion, broken wires, pinched areas, or signs of water entry.
  3. Check fuses and any inline fusable links protecting the antenna/selector circuit. Replace any blown fuses and recheck for immediate recurrence (do not keep replacing fuses without diagnosing cause).
  4. With ignition/accessory ON, backprobe the antenna selector feed and measure voltage to verify presence of battery voltage and to identify which circuit is driving the selector.
  5. Measure current draw in the circuit: disconnect the antenna connector and place an ammeter inline to read current. Compare to expected (see signal_params). If current is high with connector unplugged, suspect module/BCM. If current drops when unplugged, suspect antenna/harness.
  6. If high current is localized to the harness/antenna, isolate the short by inspecting harness sections, using a continuity/ohmmeter to check for low resistance to power or ground, and performing wiggle tests while watching current or code status.
  7. Inspect and, if necessary, open the antenna assembly (or replace with known good assembly) if internal short or selector failure is suspected.
  8. If module/BCM is suspected, verify other functions of that module, check communications, and follow module‑level diagnostics in the service manual before replacement.
  9. Repair wiring, connectors, or replace the antenna/selector/module as indicated. Protect repaired sections from moisture and secure harness to prevent chafing.
  10. Clear codes, perform system tests, and verify repairs by driving/operating systems to ensure the B2460 does not return.

Likely causes

  • Damaged or water‑ingressed navigation antenna assembly (common on roof or rear glass mounts)
  • Wiring chafing or pinched harness near antenna or body seams causing short
  • Corroded connector at antenna or module producing low resistance path
  • Failed antenna selector inside the antenna or inside the infotainment/BCM
  • Recent aftermarket accessory installation accidentally shorting the circuit

Fault status

⚠️ Status
High current detected on the navigation antenna selector circuit. The control module has set DTC B2460 to indicate an over‑current condition; inspect antenna, wiring, connectors, and selector module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

B2461 B2445 U0140 U0073
Repair manuals

Manual library for HUMMER

69

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Code

B2460

LAND ROVER B — Body

Auxiliary heater flame sensor - short circuit to ground

Brand: LAND ROVER
Type: B — Body
Views: UK: 19 EN: 31 RU: 16
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to battery or short to ground in the antenna selector wiring
  • Failed navigation antenna assembly or internal short in selector/switch
  • Corroded/damaged connector or water intrusion at antenna or harness
  • Aftermarket radio/antenna installation creating improper load or short
  • Faulty body control module (BCM) / antenna selector module driving the circuit

Symptoms

  • No or intermittent GPS/navigation reception
  • Infotainment/navigation antenna warning or reduced radio performance
  • Stored B2460 code and possibly related antenna or body module codes
  • Possible battery drain or blown fuse if current is high enough
  • Loss of antenna switching functionality (if vehicle uses switchable/active antenna)

What to check

  • Retrieve freeze‑frame and all related codes with a scan tool; note whether code is current or history
  • Visually inspect antenna, mast, connectors, and harness routing for damage, corrosion, or water
  • Inspect fuses and fusible links protecting antenna/infotainment circuits
  • Backprobe antenna selector/antenna connector and measure voltage and current with ignition/accessory ON
  • Disconnect the antenna/selector connector to see if the fault clears or current drops (helps isolate load to harness vs module)
  • Wiggle test wiring while monitoring current or code status to locate intermittent shorts

Signal parameters

  • Reference voltage to antenna selector: ~11–14.5 V with ignition/accessory ON (vehicle battery voltage)
  • Expected control/current draw (typical): small, generally
  • High current threshold: persistent current noticeably above normal (often >0.5–1.0 A) will set B2460; verify with vehicle service data
  • Open/short resistance: connector to module should not show low resistance to battery or ground when circuit is disabled; excessive continuity to power/ground indicates short

Diagnostic algorithm

  1. Record DTCs and freeze frame data. Note whether code is pending or confirmed and any related codes (antenna, body module, communications).
  2. Perform a careful visual inspection of the antenna, mast, connectors, and harness routing (roof, liftgate, rear glass). Look for corrosion, broken wires, pinched areas, or signs of water entry.
  3. Check fuses and any inline fusable links protecting the antenna/selector circuit. Replace any blown fuses and recheck for immediate recurrence (do not keep replacing fuses without diagnosing cause).
  4. With ignition/accessory ON, backprobe the antenna selector feed and measure voltage to verify presence of battery voltage and to identify which circuit is driving the selector.
  5. Measure current draw in the circuit: disconnect the antenna connector and place an ammeter inline to read current. Compare to expected (see signal_params). If current is high with connector unplugged, suspect module/BCM. If current drops when unplugged, suspect antenna/harness.
  6. If high current is localized to the harness/antenna, isolate the short by inspecting harness sections, using a continuity/ohmmeter to check for low resistance to power or ground, and performing wiggle tests while watching current or code status.
  7. Inspect and, if necessary, open the antenna assembly (or replace with known good assembly) if internal short or selector failure is suspected.
  8. If module/BCM is suspected, verify other functions of that module, check communications, and follow module‑level diagnostics in the service manual before replacement.
  9. Repair wiring, connectors, or replace the antenna/selector/module as indicated. Protect repaired sections from moisture and secure harness to prevent chafing.
  10. Clear codes, perform system tests, and verify repairs by driving/operating systems to ensure the B2460 does not return.

Likely causes

  • Damaged or water‑ingressed navigation antenna assembly (common on roof or rear glass mounts)
  • Wiring chafing or pinched harness near antenna or body seams causing short
  • Corroded connector at antenna or module producing low resistance path
  • Failed antenna selector inside the antenna or inside the infotainment/BCM
  • Recent aftermarket accessory installation accidentally shorting the circuit

Fault status

⚠️ Status
High current detected on the navigation antenna selector circuit. The control module has set DTC B2460 to indicate an over‑current condition; inspect antenna, wiring, connectors, and selector module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

B2461 B2445 U0140 U0073
160

Browse 160 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

B2460

Other B — Body

Aux Heater Flame Sensor Circuit Short to Ground

Brand: Other
Type: B — Body
Views: UK: 33 EN: 51 RU: 32
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Short to battery or short to ground in the antenna selector wiring
  • Failed navigation antenna assembly or internal short in selector/switch
  • Corroded/damaged connector or water intrusion at antenna or harness
  • Aftermarket radio/antenna installation creating improper load or short
  • Faulty body control module (BCM) / antenna selector module driving the circuit

Symptoms

  • No or intermittent GPS/navigation reception
  • Infotainment/navigation antenna warning or reduced radio performance
  • Stored B2460 code and possibly related antenna or body module codes
  • Possible battery drain or blown fuse if current is high enough
  • Loss of antenna switching functionality (if vehicle uses switchable/active antenna)

What to check

  • Retrieve freeze‑frame and all related codes with a scan tool; note whether code is current or history
  • Visually inspect antenna, mast, connectors, and harness routing for damage, corrosion, or water
  • Inspect fuses and fusible links protecting antenna/infotainment circuits
  • Backprobe antenna selector/antenna connector and measure voltage and current with ignition/accessory ON
  • Disconnect the antenna/selector connector to see if the fault clears or current drops (helps isolate load to harness vs module)
  • Wiggle test wiring while monitoring current or code status to locate intermittent shorts

Signal parameters

  • Reference voltage to antenna selector: ~11–14.5 V with ignition/accessory ON (vehicle battery voltage)
  • Expected control/current draw (typical): small, generally
  • High current threshold: persistent current noticeably above normal (often >0.5–1.0 A) will set B2460; verify with vehicle service data
  • Open/short resistance: connector to module should not show low resistance to battery or ground when circuit is disabled; excessive continuity to power/ground indicates short

Diagnostic algorithm

  1. Record DTCs and freeze frame data. Note whether code is pending or confirmed and any related codes (antenna, body module, communications).
  2. Perform a careful visual inspection of the antenna, mast, connectors, and harness routing (roof, liftgate, rear glass). Look for corrosion, broken wires, pinched areas, or signs of water entry.
  3. Check fuses and any inline fusable links protecting the antenna/selector circuit. Replace any blown fuses and recheck for immediate recurrence (do not keep replacing fuses without diagnosing cause).
  4. With ignition/accessory ON, backprobe the antenna selector feed and measure voltage to verify presence of battery voltage and to identify which circuit is driving the selector.
  5. Measure current draw in the circuit: disconnect the antenna connector and place an ammeter inline to read current. Compare to expected (see signal_params). If current is high with connector unplugged, suspect module/BCM. If current drops when unplugged, suspect antenna/harness.
  6. If high current is localized to the harness/antenna, isolate the short by inspecting harness sections, using a continuity/ohmmeter to check for low resistance to power or ground, and performing wiggle tests while watching current or code status.
  7. Inspect and, if necessary, open the antenna assembly (or replace with known good assembly) if internal short or selector failure is suspected.
  8. If module/BCM is suspected, verify other functions of that module, check communications, and follow module‑level diagnostics in the service manual before replacement.
  9. Repair wiring, connectors, or replace the antenna/selector/module as indicated. Protect repaired sections from moisture and secure harness to prevent chafing.
  10. Clear codes, perform system tests, and verify repairs by driving/operating systems to ensure the B2460 does not return.

Likely causes

  • Damaged or water‑ingressed navigation antenna assembly (common on roof or rear glass mounts)
  • Wiring chafing or pinched harness near antenna or body seams causing short
  • Corroded connector at antenna or module producing low resistance path
  • Failed antenna selector inside the antenna or inside the infotainment/BCM
  • Recent aftermarket accessory installation accidentally shorting the circuit

Fault status

⚠️ Status
High current detected on the navigation antenna selector circuit. The control module has set DTC B2460 to indicate an over‑current condition; inspect antenna, wiring, connectors, and selector module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

B2461 B2445 U0140 U0073
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