C1202 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C1202 – Master Reservoir Level Malfunction


C1202 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C1202 Possible Causes


Low brake fluid level,Brake fluid leaks,Faulty Brake fluid level warning switch (Brake master cylinder reservoir assembly),Brake fluid level warning switch harness is open or shorted,Brake fluid level warning switch circuit poor electrical connection


C1202 Description


When a fluid level drop in the brake master cylinder reservoir assembly is detected, a signal is sent to the skid control ECU. If the DTC for the fluid level drop is memorized, the warning will be canceled and the DTC will not be stored when the fluid level returns to normal.