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Home / DTC / U0558 — Invalid Data Received From Front Controls/Display Interface Module

U0558 — Invalid Data Received From Front Controls/Display Interface Module

Detailed page for trouble code U0558.

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Code

U0558

Generic U — Network/User

Invalid Data Received From Front Controls/Display Interface Module

Brand: Generic
Type: U — Network/User
Views: UK: 17 EN: 40 RU: 14
AI status
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Page language: EN

Causes

  • Faulty Front Controls / Display Interface Module (hardware or firmware)
  • Corroded, loose or damaged connector or wiring to the module
  • CAN/LIN bus wiring short, open, or high resistance
  • Bad power supply or ground to the module
  • Software mismatch or corrupted module programming
  • Bus termination fault or excessive electromagnetic interference (EMI)

Symptoms

  • Intermittent or permanent malfunction of front display or control functions (climate, radio, HVAC, etc.)
  • Buttons or touch screen inputs not responding
  • Warning or message on dash about communication or display error
  • Multiple network-related DTCs stored
  • Unresponsive infotainment or incorrect information displayed

What to check

  • Scan all modules; record U0558 freeze frame and any other U- or B- codes
  • Check vehicle battery voltage (should be within manufacturer spec during testing)
  • Visually inspect module connectors for corrosion, bent pins, pushed-out terminals
  • Inspect wiring harness for damage where it passes through pinch points or hinges
  • Check module power and ground circuits for proper voltage and continuity
  • Verify CAN/LIN bus wiring continuity and resistance (bus termination)

Signal parameters

  • CAN High idle ≈ 2.5 V, CAN Low idle ≈ 2.5 V; dominant state: CANH ≈ 3.5 V, CANL ≈ 1.5 V
  • Bus termination resistance (both ends in parallel) ≈ 60 Ω (two 120 Ω terminators)
  • Typical CAN data rates: 500 kbps or 250 kbps (verify vehicle-specific rate)
  • LIN bus idle ≈ battery voltage, single-wire communication with defined idle/pulse patterns
  • Expect stable voltages on module supply (key-on) per manufacturer spec (typically 11–14.5 V)

Diagnostic algorithm

  1. Retrieve and record codes/freeze frame and note when the fault occurred. Check for related codes.
  2. Verify battery state-of-charge and charging system; test while reproducing the fault if intermittent.
  3. Visually inspect connector and wiring to the Front Controls/Display Interface Module; repair any damage.
  4. Verify module supplies: backprobe or measure power and ground at the module harness with connectors seated.
  5. With a capable scan tool, monitor the CAN/LIN bus while operating controls to capture malformed or unexpected messages.
  6. Measure bus termination resistance and probe CANH/CANL with an oscilloscope to observe signal integrity and noise.
  7. Isolate the module: disconnect the front controls/display module and see if the U0558 clears or other faults change (use manufacturer isolation procedures).
  8. If wiring and power/grounds pass, check for available software updates or perform a reflash per OEM procedures.
  9. If diagnostics indicate internal module failure after verifying network and power, replace the front controls/display interface module and program/configure as required.
  10. After repairs, clear codes and verify repair by cycling ignition and reproducing original conditions; monitor network health for recurrence.

Likely causes

  • Damaged connector pins or bent pins at the front controls/display connector
  • Module lost or corrupted calibration/software during previous update
  • Pinched/abraded CAN high or CAN low wiring near doors or dash
  • Weak ground connection causing sporadic data corruption
  • Aftermarket device or accessory injecting invalid frames onto the bus

Fault status

⚠️ Status
Invalid or corrupted data received from Front Controls/Display Interface Module over the vehicle network. Check module communications, wiring, power/ground and software.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

Similar codes

U0100 U0073 U0121 U0415 U0601
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