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U0317 — Software Incompatibility with Park Brake Control Module

Detailed page for trouble code U0317.

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Code

U0317

HYUNDAI U — Network/User

Software Incompatibility with Park Brake Control Module

Views: UK: 9 EN: 19 RU: 9
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Page language: EN

Causes

  • Module reprogramming incomplete or interrupted
  • Incorrect/older/newer software/calibration applied to the park brake module
  • Replacement module with incompatible software or part number
  • Corrupted firmware or failed update
  • CAN bus communication errors or bus termination problems
  • Battery/low-voltage condition during programming

Symptoms

  • Park brake unavailable, inoperative, or stuck in a fault mode
  • Parking brake warning light or EPB lamp on instrument cluster
  • Related warnings or reduced functionality for ABS/ESC/traction systems
  • Diagnostic tool shows U0317 and possibly other communication codes
  • Failed software update attempts or inability to program the module
  • Intermittent park brake operation or unexpected release/apply

What to check

  • Retrieve all stored and pending DTCs and any freeze-frame data with a capable OEM-level scanner
  • Record park brake module software part number, calibration ID, and hardware part number
  • Compare module SW/HW IDs to vehicle build data and OEM compatibility tables
  • Check battery voltage (should be stable and within OEM spec) and charging system before programming
  • Inspect connectors and wiring at the park brake module for corrosion, bent pins, or damage
  • Scan for other network communication codes (U0100, U0155, etc.) that indicate bus-wide issues

Signal parameters

  • Park Brake Module SW Part Number / Calibration ID (e.g., SW/CAL ID shown by scan tool)
  • Park Brake Module Hardware Part Number
  • Module CAN ID / address and bus (e.g., CAN1/500 kbps or CAN2/250 kbps)
  • TX/RX message activity and message contents for park-brake PID
  • Bus voltage during operation and programming (expected ~11–14.5 V)
  • Module wake/sleep state and ignition status when messages are expected

Diagnostic algorithm

  1. Use an OEM-capable scan tool: read and save U0317 and any related DTCs/ freeze frame data. Note module SW/HW IDs.
  2. Check battery state-of-charge and system voltage. Recharge or maintain battery with a suitable power supply if below OEM threshold.
  3. Inspect park brake module connectors and wiring for damage, water ingress, corrosion, or poor pin contact. Repair any issues found.
  4. Verify CAN bus integrity: check termination resistance, measure activity with a scope or diagnostic tool, and confirm no bus-short conditions.
  5. Compare the module's software and hardware part numbers with OEM build data and the vehicle’s parts catalog to confirm compatibility.
  6. Review service history and TSBs for known software compatibility issues or required update procedures for this VIN/model.
  7. Attempt to reflash/reprogram the park brake module using the correct OEM software/calibration and follow manufacturer reflash procedure (ensure stable 12 V supply and no interruptions).
  8. If reprogramming is successful, clear codes and perform a relearn/coding procedure as required by OEM. Cycle ignition and operate the park brake to verify function.
  9. If programming fails or U0317 returns, try programming with a known-good module software image or perform a module reset per OEM instructions.
  10. If incompatibility persists after correct programming and wiring checks, consider replacement with the correct part number then program and code to vehicle. Confirm operation and clear codes.
  11. Document results. If unresolved, escalate to OEM technical support with logs, scanner dumps, and reflash failure details.

Likely causes

  • Module was replaced or reprogrammed with wrong software/calibration
  • Reflash failed or was interrupted (power loss, low battery)
  • Vehicle received an update not compatible with that module hardware
  • Module coding/vehicle configuration mismatch after service
  • CAN network errors preventing the module version check

Fault status

⚠️ Status
U0317 — Software Incompatibility with Park Brake Control Module: The park brake control module software or calibration does not match the vehicle's expected version; communication or functionality may be impaired.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1-3 hours

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