P0E41

Code

Generic P — Powertrain

Charge Status Indicator B Control Circuit Low

Brand: Generic

Type: P — Powertrain

Views: UK: 29 EN: 34 RU: 30

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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

Retrieve P0E41 and any related codes. Record freeze frame data and any pattern (key state, SOC, charge active).
Verify battery/supply voltage stable (12–14.5 V). Low supply can cause false low detections.
Inspect connectors and wiring for visible damage at indicator B, instrument cluster, and module. Repair obvious faults.
Back-probe the control output at the module/cluster connector with ignition ON. Compare measured voltage to expected (see signal_params).
Back-probe at the indicator/LED connector. If voltage is present at module but low at indicator, check continuity for high resistance or short.
Perform continuity check between module output pin and indicator input pin. Repair any open/high-resistance sections.
Check for short to ground: disconnect indicator and measure resistance from control circuit to chassis ground. Low resistance indicates a short.
Inspect/replace fuse or fusible link if open or high-resistance. Ensure proper ground connections at indicator ground point.
If wiring and connector are good, bench-test or substitute the indicator lamp/LED. Replace if failed.
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.
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