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Home / DTC / P0E41 — Charge Status Indicator B Control Circuit Low

P0E41 — Charge Status Indicator B Control Circuit Low

Detailed page for trouble code P0E41.

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Code

P0E41

Generic P — Powertrain

Charge Status Indicator B Control Circuit Low

Brand: Generic
Type: P — Powertrain
Views: UK: 17 EN: 20 RU: 14
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Page language: EN

Causes

  • Short to ground in the indicator B control circuit
  • Open or high-resistance wiring or connector between control module and indicator
  • Corroded or damaged indicator lamp/LED module
  • Blown fuse or poor power/ground for the indicator circuit
  • Faulty instrument cluster, BMS, or control module output driver
  • Low battery or supply voltage during test

Symptoms

  • Charge status indicator B does not illuminate when it should
  • Charge indicator B stuck off or reporting incorrect status
  • Related warning lamp/message on dash
  • Intermittent or flickering indicator B
  • DTC P0E41 stored, may reappear after clearing

What to check

  • Read all stored trouble codes and freeze frame data; note conditions when code set
  • Check battery voltage and charging system before diagnostics (12–14.5 V expected)
  • Visually inspect wiring and connectors for chafing, corrosion, water intrusion, or damage at indicator and module
  • Inspect fuses and fusible links for the indicator circuit
  • Back-probe the indicator B control pin with ignition ON and observe voltage
  • Check continuity and resistance between module output and indicator lamp/LED

Signal parameters

  • Key ON, engine OFF: control output typically low (0–1 V) when OFF; when commanded ON expect ~9–14.5 V (vehicle-specific)
  • If the circuit is a low-side driver: OFF ~Battery voltage, ON ~0–1 V (confirm with factory wiring)
  • Short-to-ground condition: measured voltage ~0 V at control pin when it should be high
  • Open circuit: infinite resistance between control pin and indicator; continuity >1 MΩ
  • Expected resistance of indicator lamp/LED may vary; incandescent ≈ few ohms cold, LED module higher (refer to vehicle spec)

Diagnostic algorithm

  1. Retrieve P0E41 and any related codes. Record freeze frame data and any pattern (key state, SOC, charge active).
  2. Verify battery/supply voltage stable (12–14.5 V). Low supply can cause false low detections.
  3. Inspect connectors and wiring for visible damage at indicator B, instrument cluster, and module. Repair obvious faults.
  4. Back-probe the control output at the module/cluster connector with ignition ON. Compare measured voltage to expected (see signal_params).
  5. Back-probe at the indicator/LED connector. If voltage is present at module but low at indicator, check continuity for high resistance or short.
  6. Perform continuity check between module output pin and indicator input pin. Repair any open/high-resistance sections.
  7. Check for short to ground: disconnect indicator and measure resistance from control circuit to chassis ground. Low resistance indicates a short.
  8. Inspect/replace fuse or fusible link if open or high-resistance. Ensure proper ground connections at indicator ground point.
  9. If wiring and connector are good, bench-test or substitute the indicator lamp/LED. Replace if failed.
  10. If indicator and wiring are good but output remains low, suspect module/cluster driver fault. Verify module inputs/communications; consult service manual for module replacement or reprogramming.
  11. After repair, clear codes and perform verification drive or charge cycle to ensure code does not return.

Likely causes

  • Damaged harness insulation causing contact with chassis ground at indicator B output
  • Connector terminal corrosion or bent pin at indicator or module connector
  • Failed indicator lamp/LED (internal short or low resistance)
  • Output driver transistor or PCB fault in instrument cluster or BMS
  • Blown or high-resistance fuse feeding indicator circuit
  • Poor ground connection at indicator housing or chassis ground point

Fault status

⚠️ Status
P0E41 — Charge Status Indicator B Control Circuit Low: The control output for Charge Indicator B is reading lower than expected (possible short to ground, open wiring, failed indicator, or output driver fault).
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

P0E40 P0E42 P0562 P0563 U0121
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