Is it safe to drive with this code?

Driving may be possible in many cases, but the vehicle can experience misfiring, poor performance, or limp mode. In some instances symptoms may be intermittent. Continuing to drive risks further damage to the engine or fuel system, so prompt inspection is advised—see our disclaimer for professional guidance.

The code itself does not cause an automatic failure, but if the malfunction indicator lamp is illuminated at the time of the MOT test, this may result in a failure. The actual outcome depends on the tester's assessment—see our disclaimer for full details.

Roughly how much does it cost to fix?

Costs vary widely depending on the underlying cause. Simple wiring repairs might fall into the low two-figure range, whilst injector replacement or extensive diagnostics could reach the low to mid three-figure band. If ECM replacement or reprogramming is needed, costs can climb into the high three-figure or even four-figure range at a main dealer. Independent garages often charge less for labour than franchised workshops.

Can this code be caused by a software fault alone?

Yes, in some vehicles a calibration error or outdated ECM software can trigger P062B without any physical component failure. Some manufacturers have issued software updates to address this; checking for relevant Technical Service Bulletins is often a helpful first step.

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← All fault codes | Fuel System

P062B

Powertrain

Internal Control Module Fuel Injector Control Performance

The engine control module has detected an internal fault affecting its ability to manage fuel injector operation correctly.

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ⓘ Information only. This page provides general educational information about fault code P062B. 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 P062B mean?

P062B is a Powertrain (engine, transmission, fuel system) fault code. It indicates: Internal Control Module Fuel Injector Control Performance.

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 Fuel System codes

Fuel system codes cover everything from the tank to the injectors: fuel pumps, filters, pressure regulators, rail pressure sensors, and injectors themselves. On modern common-rail diesels these codes can cause hard starting, limp mode, or no-start conditions.

P062B is one of 469 codes in this category. Browse all Fuel System codes →

What we know about P062B 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 P062B.

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 P062B in the P-code series. Many fault codes appear together with their neighbours because they relate to the same circuit or component.

P0628 Fuel Pump A Control Circuit Low

P0629 Fuel Pump A Control Circuit High

P062A Fuel Pump A Control Circuit Range/Performance

P062C Internal Control Module Vehicle Speed Performance

P062D Fuel Injector Driver Circuit Performance Bank 1

P062E Fuel Injector Driver Circuit Performance Bank 2

Other Fuel System codes

Other fault codes in the same system as P062B. The ones with detailed guides have plain-English explanations, symptoms, causes, and diagnostic steps.

P0087

Fuel Rail/System Pressure - Too Low Detailed guide

P0089

Fuel Pressure Regulator 1 Performance Detailed guide

P0090

Fuel Pressure Regulator Control Circuit/Open Detailed guide

P0100

Mass or Volume Air Flow (MAF) Circuit Malfunction Detailed guide

P0106

Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem Detailed guide

P0170

Fuel Trim Malfunction (Bank 1) Detailed guide

Spotted an issue or have something to add? Mechanics, technicians, and drivers who have first-hand experience with P062B 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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