C1A00 on Mitsubishi
Stability Control System Fault
C1A00 on Mitsubishi vehicles indicates stability control system fault. Au7o has documented this code across 1 Mitsubishi model — most commonly on Eclipse Cross. This is a chassis/stability-control code that signals a general fault within the electronic stability control system — the network of sensors and the controller that keep the vehicle from skidding or losing traction during hard cornering or slippery conditions. C1A00 typically means the stability control module detected an internal fault or a problem somewhere in the system it can't fully resolve, so it may disable stability and traction control and turn on the related warning lights. Importantly, C1A00 is a manufacturer-specific code and its precise meaning varies by brand, and the full code often includes additional sub-numbers needed to pinpoint the exact fault. Because it's broad, an accurate diagnosis usually requires a capable scan tool to read the extended code and any companion codes.
Common Causes of C1A00
- •Internal stability control module fault
- •Companion sensor faults (wheel speed, steering angle, yaw/lateral) triggering the system
- •Wiring, connector or ground problems in the stability control circuit
- •Low system or battery voltage / charging issue
- •Module software, calibration or configuration fault
- •Damaged or unplugged sensor harness after service
- •Faulty ABS/stability hydraulic control unit (less common)
C1A00 on Mitsubishi by Model
Mitsubishi Eclipse Cross(1 issue)
- Forward Collision Mitigation Phantom Braking and FCM-ECU Software Defect2018-2021
Early Eclipse Cross models with Forward Collision Mitigation brake hard for objects that are not there. This is not just owner perception — NHTSA recall 18V620000 covers 2018-2019 Mitsubishi vehicles whose FCM-ECU software applies braking for longer than needed even after a pedestrian is no longer detected, with the stated consequence that drivers brake harder in response and increase rear-end collision risk. Companion recall 18V621000 covers a hydraulic unit ECU software defect that may prevent automatic emergency braking, ABS, electronic stability control and Brake Auto Hold from working properly. Owner complaints go beyond the recall scope: filings describe adaptive cruise control triggering FCM braking when cresting hills with nothing ahead, and repeated multi-warning-light events with hard braking recurring several times a year despite dealer repairs. The camera-and-radar fusion is sensitive to road crown, overhead signs and reflective surfaces, and the system's brake authority is high enough that a false trigger at highway speed is genuinely hazardous.
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View C1A00 across all makes →Frequently Asked Questions
What does C1A00 mean on Mitsubishi?▼
C1A00 stands for "Stability Control System Fault." This is a chassis/stability-control code that signals a general fault within the electronic stability control system — the network of sensors and the controller that keep the vehicle from skidding or losing traction during hard cornering or slippery conditions. C1A00 typically means the stability control module detected an internal fault or a problem somewhere in the system it can't fully resolve, so it may disable stability and traction control and turn on the related warning lights. Importantly, C1A00 is a manufacturer-specific code and its precise meaning varies by brand, and the full code often includes additional sub-numbers needed to pinpoint the exact fault. Because it's broad, an accurate diagnosis usually requires a capable scan tool to read the extended code and any companion codes. On Mitsubishi specifically, this code is documented across 1 model.
What causes C1A00 on Mitsubishi vehicles?▼
Common causes on Mitsubishi: Internal stability control module fault, Companion sensor faults (wheel speed, steering angle, yaw/lateral) triggering the system, Wiring, connector or ground problems in the stability control circuit, Low system or battery voltage / charging issue, Module software, calibration or configuration fault. Specific causes vary by model and year — see the per-model sections below.
How much does it cost to fix C1A00 on a Mitsubishi?▼
Repair costs vary widely depending on the root cause and specific Mitsubishi model.
Which Mitsubishi models have C1A00 documented?▼
Au7o has documented C1A00 on 1 Mitsubishi model: Eclipse Cross.