Contaminated or degraded brake fluid causing valve sticking; Faulty ABS hydraulic valve body or solenoid coil; Damaged or corroded wiring and connectors at the ABS module or valve body; Low system voltage or a weak battery affecting valve actuation; Internal ABS control module fault or corrupted software; Air trapped in the hydraulic unit after recent brake service; Restricted brake lines or a failing master cylinder affecting valve performance

DTC codes / C06xx · Brakes, steering and suspension / C062D

C062DABS Valves Range/Performance

Q: What does code C062D mean?

ABS Valves Range/Performance. C062D indicates that the anti-lock braking system (ABS) control module has detected a range or performance fault in one or more of the hydraulic valve circuits it commands. The module compares valve current, response time, or pressure modulation against expected values and sets this code when the valve does not behave within the allowed window during self-test or active braking.

C062D indicates that the anti-lock braking system (ABS) control module has detected a range or performance fault in one or more of the hydraulic valve circuits it commands. The module compares valve current, response time, or pressure modulation against expected values and sets this code when the valve does not behave within the allowed window during self-test or active braking.

SystemChassis

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaBrakes, steering and suspension

Symptoms you may notice

ABS warning light illuminated on the dashboard
Traction control or stability control warning light also on
Often no symptoms besides the warning light during normal driving
ABS may deactivate, leaving conventional braking only
Pulsing or dragging felt through the brake pedal during hard stops
Intermittent ABS operation or a brief pedal kick when the system self-tests

Common causes, most likely first

Contaminated or degraded brake fluid causing valve sticking
Faulty ABS hydraulic valve body or solenoid coil
Damaged or corroded wiring and connectors at the ABS module or valve body
Low system voltage or a weak battery affecting valve actuation
Internal ABS control module fault or corrupted software
Air trapped in the hydraulic unit after recent brake service
Restricted brake lines or a failing master cylinder affecting valve performance

How to diagnose and fix it

Scan all modules and record freeze-frame data to identify which valve circuit is flagged
Inspect ABS module connectors and valve body wiring for corrosion, chafing, or loose pins
Test battery voltage and charging system output to rule out low-voltage faults
Perform a brake fluid condition check and flush if contaminated or overdue
Command each ABS valve with a scan tool and compare current and response to specifications
Bleed the ABS hydraulic unit using the scan tool's automated bleed procedure
Replace the ABS valve body or control module only after electrical and hydraulic tests confirm the fault

What the valve performance code really means

A range/performance code often sets from a slow or sticky valve rather than a completely failed one, so the ABS may still work during some stops and feel normal to the driver.
Low battery voltage during cranking is a commonly missed trigger because the ABS module may log a valve performance fault when supply voltage dips below its threshold.
Old brake fluid that has absorbed moisture can cause internal valve corrosion and sticking, so a fluid flush is a legitimate first repair on high-mileage vehicles.
After any hydraulic unit replacement or brake line opening, air trapped in the ABS valve body can mimic a failed valve until an automated bleed is performed.
A wheel speed sensor or tone ring fault on the same corner can cause the module to command valves abnormally and set a valve performance code as a secondary effect.

Can I keep driving with C062D?

The vehicle remains safe to drive with conventional brakes because the ABS system defaults to a fail-safe mode, but you should avoid hard braking or slippery conditions until the fault is repaired. Have the system diagnosed promptly, as a sticking valve can occasionally cause brake drag or uneven braking.

Tools that help

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Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.