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The brake pedal pivots on a metal pin with nylon bushings. Over time (especially on high-mileage Pajeros), these bushings wear out. This creates lateral play in the pedal. As you drive over bumps, the pedal vibrates slightly, causing the brake switch to trigger falsely.
The brake light switch is a simple plastic plunger mounted above the brake pedal arm. Over years of use (especially in dusty off-road environments), the internal contacts wear out, or the plunger gets stuck. When this happens, the signal voltage sent to the ECU becomes erratic.
The most immediate sign is the illumination of multiple warning lights. You will typically see: c1456 mitsubishi pajero
: There are multiple detection switches (2WD/4WD, 4H, and Center Diff Lock) on top of the transfer case. If these become dirty, corroded, or fail internally, the AWD-ECU sets C1456 because it cannot confirm the physical position of the gears. Wiring Harness Issues
During hard braking, the pedal will not vibrate (the characteristic ABS "buzz"), and the wheels may lock up. This increases stopping distances, particularly on wet or uneven surfaces. The brake pedal pivots on a metal pin with nylon bushings
If you have plugged an OBD2 scanner into your Pajero only to be greeted by this code, you are not alone. This article is a deep dive into everything you need to know about the C1456 Mitsubishi Pajero fault code: what it means, what causes it, the symptoms to watch for, and—most importantly—how to fix it without breaking the bank.
A stuck or slow-moving shift actuator can also cause the system to time out, resulting in a persistent abnormality signal. As you drive over bumps, the pedal vibrates
Inside or near the ABS actuator, there is a . A relay is essentially an electrically operated switch. Because the ABS pump and solenoids draw a high amount of electrical current, they cannot be powered directly by the car's main computer (ECU). Instead, the ECU sends a low-current signal to the relay, which then "closes" the switch to send high-current power from the battery to the ABS pump.
