Home / DTC / C2510 — Trace Off Indicator | Tread Lamp Circuit Fail | TREAD LAMP open/short circuit | Tread Lamp Circuit Failure

C2510 — Trace Off Indicator | Tread Lamp Circuit Fail | TREAD LAMP open/short circuit | Tread Lamp Circuit Failure

Detailed page for trouble code C2510.

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Code

C2510

HYUNDAI C — Chassis

Trace Off Indicator | Tread Lamp Circuit Fail | TREAD LAMP open/short circuit | Tread Lamp Circuit Failure

Brand: HYUNDAI
Views: UK: 18 EN: 17 RU: 13
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Page language: EN

Causes

  • Open circuit (broken wire, disconnected connector) in the tread lamp feed or ground
  • Short to ground or short to battery in lamp wiring
  • Burned-out or failed lamp (bulb or LED module)
  • Corroded or poor connector/ground
  • Blown fuse or fusible link for the lamp circuit
  • Faulty BCM / body control module driver or internal relay

Symptoms

  • Tread/Trace Off indicator or associated lamp does not illuminate
  • Intermittent lamp operation (works sometimes, fails other times)
  • Related dash message or indicator illuminated
  • Possible other body electrical oddities if BCM driver affected

What to check

  • Scan vehicle and confirm C2510 stored; record freeze frame and any related codes
  • Visually inspect lamp, socket, connector and wiring for damage or corrosion
  • Check the fuse(s) for the lamp circuit and replace if blown
  • Confirm lamp bulb or LED by removing lamp and bench-testing or swapping with known good lamp
  • Probe lamp connector with a multimeter: verify supply voltage with lamp connected and with ignition/lighting circuit activated
  • Perform continuity check from BCM output/fuse to lamp connector and from lamp ground to chassis ground

Signal parameters

  • Lamp supply voltage (ignition or lighting ON): ~11–14 V at lamp connector for 12 V systems
  • Voltage at connector with lamp removed and switch ON: near battery voltage if feed is present
  • Bulb resistance (incandescent): typically low ohms (single-digit to tens of ohms) — will measure near short if filament intact
  • LED modules: may read open on low-voltage ohm checks — consult vehicle wiring diagram/spec for expected values
  • Ground continuity:

Diagnostic algorithm

  1. Verify code: use scan tool to read C2510 and related codes; note whether fault is current or history.
  2. Inspect lamp and socket: remove lamp assembly, look for broken filament, burnt contacts, moisture or corrosion; replace lamp if suspect.
  3. Check fuse: locate and inspect fuse(s) for the lamp circuit; replace if blown and re-test. If fuse blows again, suspect short.
  4. Voltage test: with connector connected, turn the circuit ON and measure supply voltage at connector pin. If no voltage, trace back toward fuse/BCM.
  5. Ground test: measure continuity between lamp ground terminal and chassis; repair poor ground if high resistance.
  6. Continuity/wiring test: with power off, check continuity between lamp connector and BCM/fuse; repair open or high-resistance wiring.
  7. Short test: if fuse blows or low resistance to ground present, isolate sections of harness and disconnect connectors to locate short to ground; repair wiring/replace damaged harness sections.
  8. Module output test: if wiring and lamp are good but no proper signal from BCM, check BCM outputs per service manual (use scope if available) and verify driver operation; replace BCM only after confirming wiring and load are correct.
  9. Clear codes and road/test: clear DTCs and cycle the lamp on/off to confirm the fault does not return; document any intermittent behavior for further inspection.

Likely causes

  • Bulb or LED module failed
  • Loose or corroded connector at lamp or ground
  • Damaged wiring harness (chafing, pinched, rodent damage)
  • Blown fuse protecting the lamp circuit
  • Faulty lamp socket or harness pin bent/mis-seated

Fault status

⚠️ Status
Tread lamp circuit fault detected — open or short condition in tread/trace-off lamp circuit. Inspect lamp, connectors, wiring, fuse and BCM output.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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