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Home / DTC / U0413 — Invalid Data Received From Battery Energy Control Module B

U0413 — Invalid Data Received From Battery Energy Control Module B

Detailed page for trouble code U0413.

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U0413

Generic U — Network/User

Invalid Data Received From Battery Energy Control Module B

Brand: Generic
Type: U — Network/User
Views: UK: 26 EN: 39 RU: 24
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corrupted or missing CAN/LIN messages from BECM B
  • Loose, corroded, damaged or intermittent wiring/connectors to BECM B
  • Battery pack low/high voltage or poor ground causing module errors
  • Faulty BECM B (internal electronics or firmware) or software mismatch
  • Bus termination problem, short to battery/ground, or CAN bus interference
  • Other control module sending erroneous/incorrectly formatted data

Symptoms

  • Malfunction Indicator Lamp (MIL) or Battery/EV warning lamp illuminated
  • Reduced power or limp-home mode (loss of charge/discharge commands)
  • Inaccurate or missing battery state-of-charge, voltage or temperature displays
  • Charging disabled or charging faults reported
  • Intermittent drivability issues on hybrid/EV systems
  • Other modules reporting related communications or data invalid DTCs

What to check

  • Read all stored and pending DTCs and capture freeze-frame and live data with a capable scan tool
  • Verify presence of BECM B on the network (module ID and live messages visible)
  • Confirm battery pack high-voltage and 12V supply levels are within spec
  • Visually inspect and wiggle BECM B connectors, CAN bus terminations and harness for damage or corrosion
  • Check CAN bus physical layer: voltages, differential signals, and termination resistances
  • Inspect ground points and battery pack negative connection for tightness and corrosion

Signal parameters

  • CAN ID(s) for BECM B message(s)
  • Battery pack voltage (V)
  • Pack current (A) and sign (charge/discharge)
  • State of charge (SOC) %
  • Pack and cell temperatures (°C)
  • Individual cell voltages (mV)

Diagnostic algorithm

  1. Safety first: observe high-voltage safety procedures before touching HV components. Disable HV system if specified by manufacturer procedure.
  2. Retrieve and document all DTCs, freeze-frame and live data. Note whether U0413 is current, pending or intermittent and what other codes are present.
  3. Using a scan tool, confirm BECM B appears on the CAN network and monitor its key parameters (pack V, current, SOC, temps). Note any implausible or missing values.
  4. Visually inspect BECM B connectors, harness, and related grounds. Repair any corrosion, looseness, or harness damage found.
  5. Check 12V and HV supply to BECM B: measure supply voltage(s) at the module harness with connectors connected. Verify within spec and stable.
  6. Test CAN physical layer: measure CAN_H and CAN_L voltages with key on and engine/drive system in required state. Verify differential idle voltages and check termination resistance (typically ~60 ohms across bus).
  7. If bus faults are found, isolate sections (disconnect other modules one at a time or use bus isolation procedure) to identify the offending device or harness segment.
  8. If module messages are present but data values are out-of-range or checksum invalid, check for software calibration mismatches or corrupted firmware. Check service information for required software updates or reprogramming.
  9. If wiring, power and software are good but invalid data persists, consider module internal fault. Before replacement, confirm with manufacturer diagnostic procedures or module bench tests if available.
  10. After repairs or reprogramming, clear codes and perform drive/operation cycle to confirm fault does not return. Re-scan to verify no related U-codes remain.

Likely causes

  • Intermittent/poor connector or wiring at BECM B (most common)
  • CAN bus wiring short, open, or poor termination affecting message integrity
  • Low battery pack voltage or module in protective state causing invalid outputs
  • Software mismatch or recent module replacement/configuration error
  • Failing BECM B hardware producing corrupted messages

Fault status

⚠️ Status
Invalid Data Received From Battery Energy Control Module B
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 4.0 hours

Similar codes

U0100 U0401 U0412 U0414 U1000
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Code

U0413

HYUNDAI U — Network/User

Invalid Data Received From Battery Energy Control Module B

Brand: HYUNDAI
Type: U — Network/User
Views: UK: 9 EN: 15 RU: 14
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corrupted or missing CAN/LIN messages from BECM B
  • Loose, corroded, damaged or intermittent wiring/connectors to BECM B
  • Battery pack low/high voltage or poor ground causing module errors
  • Faulty BECM B (internal electronics or firmware) or software mismatch
  • Bus termination problem, short to battery/ground, or CAN bus interference
  • Other control module sending erroneous/incorrectly formatted data

Symptoms

  • Malfunction Indicator Lamp (MIL) or Battery/EV warning lamp illuminated
  • Reduced power or limp-home mode (loss of charge/discharge commands)
  • Inaccurate or missing battery state-of-charge, voltage or temperature displays
  • Charging disabled or charging faults reported
  • Intermittent drivability issues on hybrid/EV systems
  • Other modules reporting related communications or data invalid DTCs

What to check

  • Read all stored and pending DTCs and capture freeze-frame and live data with a capable scan tool
  • Verify presence of BECM B on the network (module ID and live messages visible)
  • Confirm battery pack high-voltage and 12V supply levels are within spec
  • Visually inspect and wiggle BECM B connectors, CAN bus terminations and harness for damage or corrosion
  • Check CAN bus physical layer: voltages, differential signals, and termination resistances
  • Inspect ground points and battery pack negative connection for tightness and corrosion

Signal parameters

  • CAN ID(s) for BECM B message(s)
  • Battery pack voltage (V)
  • Pack current (A) and sign (charge/discharge)
  • State of charge (SOC) %
  • Pack and cell temperatures (°C)
  • Individual cell voltages (mV)

Diagnostic algorithm

  1. Safety first: observe high-voltage safety procedures before touching HV components. Disable HV system if specified by manufacturer procedure.
  2. Retrieve and document all DTCs, freeze-frame and live data. Note whether U0413 is current, pending or intermittent and what other codes are present.
  3. Using a scan tool, confirm BECM B appears on the CAN network and monitor its key parameters (pack V, current, SOC, temps). Note any implausible or missing values.
  4. Visually inspect BECM B connectors, harness, and related grounds. Repair any corrosion, looseness, or harness damage found.
  5. Check 12V and HV supply to BECM B: measure supply voltage(s) at the module harness with connectors connected. Verify within spec and stable.
  6. Test CAN physical layer: measure CAN_H and CAN_L voltages with key on and engine/drive system in required state. Verify differential idle voltages and check termination resistance (typically ~60 ohms across bus).
  7. If bus faults are found, isolate sections (disconnect other modules one at a time or use bus isolation procedure) to identify the offending device or harness segment.
  8. If module messages are present but data values are out-of-range or checksum invalid, check for software calibration mismatches or corrupted firmware. Check service information for required software updates or reprogramming.
  9. If wiring, power and software are good but invalid data persists, consider module internal fault. Before replacement, confirm with manufacturer diagnostic procedures or module bench tests if available.
  10. After repairs or reprogramming, clear codes and perform drive/operation cycle to confirm fault does not return. Re-scan to verify no related U-codes remain.

Likely causes

  • Intermittent/poor connector or wiring at BECM B (most common)
  • CAN bus wiring short, open, or poor termination affecting message integrity
  • Low battery pack voltage or module in protective state causing invalid outputs
  • Software mismatch or recent module replacement/configuration error
  • Failing BECM B hardware producing corrupted messages

Fault status

⚠️ Status
Invalid Data Received From Battery Energy Control Module B
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5 - 4.0 hours

Similar codes

U0100 U0401 U0412 U0414 U1000
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