Known Issues/C1235/Kia

C1235 on Kia

Manufacturer-Specific Chassis/ABS Wheel-Speed Sensor Circuit Code

Moderate1 Kia model affected$250-$650 typical repairSystem: Chassis
NewAI Photo & Video Diagnosis
Not sure this is what you've got?
Upload a photo or video — Au7o will confirm the match and check for other common failures at the same time.
Upload & confirm

C1235 on Kia vehicles indicates manufacturer-specific chassis/abs wheel-speed sensor circuit code. Au7o has documented this code across 1 Kia model — most commonly on K5. C1235 is a manufacturer-specific chassis/ABS code most commonly associated with a wheel-speed sensor circuit (for example, a rear wheel speed circuit reported as open or shorted on some makes). It indicates the ABS/stability control module detected an electrical fault or implausible signal in a wheel-speed input it monitors. When set, ABS and traction/stability control are usually disabled and the related warning lights illuminate, though normal braking remains. Confirm which wheel and circuit are involved for your specific make and model using a capable scan tool or factory service data. Typical repair costs on Kia range from $250 to $650, depending on the specific model and root cause.

Common Causes of C1235

  • •Faulty wheel speed sensor
  • •Damaged tone/reluctor ring (chipped or rusty teeth)
  • •Open or shorted sensor wiring
  • •Connector corrosion or damage
  • •Excessive sensor air gap or debris buildup
  • •ABS/stability control module fault

C1235 on Kia by Model

Kia K5(1 issue)

  • Rear Wheel Bearing Premature Failure and Humming Noise2021-2024

    A number of K5 owners have reported premature rear wheel bearing failure, typically presenting as a low-pitched humming or growling noise that changes with vehicle speed and varies when turning left or right. The issue has been observed on both FWD and AWD variants and appears linked to bearing press-fit tolerances in the rear knuckle assembly. NHTSA complaints and owner forums document failures occurring well before expected service life, sometimes as early as 25,000 miles.

Looking for C1235 on a different make?

View C1235 across all makes →

Frequently Asked Questions

What does C1235 mean on Kia?▼

C1235 stands for "Manufacturer-Specific Chassis/ABS Wheel-Speed Sensor Circuit Code." C1235 is a manufacturer-specific chassis/ABS code most commonly associated with a wheel-speed sensor circuit (for example, a rear wheel speed circuit reported as open or shorted on some makes). It indicates the ABS/stability control module detected an electrical fault or implausible signal in a wheel-speed input it monitors. When set, ABS and traction/stability control are usually disabled and the related warning lights illuminate, though normal braking remains. Confirm which wheel and circuit are involved for your specific make and model using a capable scan tool or factory service data. On Kia specifically, this code is documented across 1 model.

What causes C1235 on Kia vehicles?▼

Common causes on Kia: Faulty wheel speed sensor, Damaged tone/reluctor ring (chipped or rusty teeth), Open or shorted sensor wiring, Connector corrosion or damage, Excessive sensor air gap or debris buildup. Specific causes vary by model and year — see the per-model sections below.

How much does it cost to fix C1235 on a Kia?▼

Repair costs on Kia range from $250 to $650, depending on the specific model and root cause.

Which Kia models have C1235 documented?▼

Au7o has documented C1235 on 1 Kia model: K5.

Share:@au7o.io