Is it safe to drive with this code?

Driving may be possible in many cases, but the parking brake system may not function correctly, which could pose a safety risk particularly on slopes or inclines. The code itself suggests a communication issue rather than immediate mechanical failure, but without a working parking brake you should exercise caution and refer to our general disclaimer regarding vehicle safety.

It may affect the MOT outcome if the malfunction indicator lamp is illuminated at the time of test, or if the parking brake fails the effectiveness test on the rollers. What matters most is whether the physical parking brake can hold the vehicle adequately during the test — see our disclaimer for MOT-specific guidance.

Roughly how much does it cost to fix?

Costs typically range from low two-figure sums for simple wiring repairs to mid or high three-figure amounts if the parking brake control module needs replacement. The variation depends on whether the issue is a connector fault, damaged loom, or a failed module, and whether you use an independent garage or main dealer. Diagnostic time usually adds around an hour of labour.

Can a software update fix this code?

In some instances, yes — outdated firmware in the parking brake control module can cause data integrity issues, and manufacturers occasionally release updates to address known communication faults. However, physical wiring damage or a genuinely faulty module will still require hardware repair or replacement even after any software updates are applied.

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U0417

Network

Invalid Data Received From Park Brake Control Module

The engine control module has detected corrupted or out-of-range information coming from the electronic parking brake controller on the vehicle's data network.

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ⓘ Information only. This page provides general educational information about fault code U0417. We do not assess the urgency or safety implications of any specific fault. That requires in-person diagnosis by a qualified mechanic. Full terms.

Recommended next steps

Whether a fault is urgent, drivable, or routine depends entirely on the cause on a specific vehicle, and that can only be determined by a qualified mechanic with diagnostic equipment. If a warning light is illuminated, the most reliable next step is professional diagnosis.

What does U0417 mean?

U0417 is a Network (CAN bus, module communications) fault code. It indicates: Invalid Data Received From Park Brake Control Module.

This is a standardised OBD-II code. The technical definition is the same regardless of the make or model of vehicle, although specific causes and symptoms can vary between vehicles.

About ABS / ESP codes

Codes in this category relate to the anti-lock braking system (ABS) and electronic stability control (ESP/ESC). These systems share wheel speed sensors, hydraulic modulators, and a common control module. Faults here usually disable ABS pulse braking and stability control assistance, but standard hydraulic brakes continue working normally.

U0417 is one of 429 codes in this category. Browse all ABS / ESP codes →

What we know about U0417 specifically

We record the SAE J2012 standardised definition and the system this code belongs to, but we have not yet published detailed driver-reported symptoms, common causes, or step-by-step diagnostic guidance for U0417.

Rather than invent that information by generating generic content from a template, we leave it out. For specific guidance, the most reliable sources are:

•your vehicle's own service manual or manufacturer-specific technical bulletins
•a qualified mechanic with a manufacturer-level diagnostic tool
•a marque specialist familiar with your make and model

Codes nearby

Codes adjacent to U0417 in the U-code series. Many fault codes appear together with their neighbours because they relate to the same circuit or component.

U0414 Invalid Data Received From Four-Wheel Drive Clutch Control Module

U0415 Invalid Data Received From Anti-Lock Brake System (ABS) Control Module

U0416 Invalid Data Received From Vehicle Dynamics Control Module

U0418 Invalid Data Received From Brake System Control Module

U0419 Invalid Data Received From Steering Effort Control Module

U041B Invalid Data Received From Exhaust Gas Sensor Module

Other ABS / ESP codes

Other fault codes in the same system as U0417. The ones with detailed guides have plain-English explanations, symptoms, causes, and diagnostic steps.

B1106

Shift Lock Circuit Failure Detailed guide

C0021

Left Front Wheel Speed Sensor Circuit Detailed guide

C0035

Left Front Wheel Speed Sensor Circuit Range/Performance Detailed guide

C1000

Abnormality in Stoplight Switch Circuit Detailed guide

C1602

Manufacturer-Specific Chassis/ABS Fault Detailed guide

B1082

ORC-Occupant Restraint Control-Fps-Fire Protection Strategy-Activated

Spotted an issue or have something to add? Mechanics, technicians, and drivers who have first-hand experience with U0417 can submit a correction or expansion. We review every submission before publishing, mechanic submissions are prioritised.

Information only, not professional advice

The information on this page is provided for general guidance and educational purposes only. It is not a substitute for diagnosis or repair advice from a qualified mechanic. Always verify any fault before paying for repairs. carfaultcodes.co.uk accepts no liability for decisions made based on this information. Full terms →

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