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Showing results for tags 'abs trc loss warning lights.'.
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Symptoms - TRC warning light flashing with ABS light constantly on. Loss of ABS and Traction Control. All other system operating. No recent work or non genuine parts on vehicle. In original trim with less than 80k , 2003 SE Model. Well serviced and looked after. Diagnosis - Confirmed ABS loss and TRC. Systems have shut down. - Checked all fuses. All good. -Put vehicle on ramps. Visual check no obvious damage. -Accessed OBD manually using workshop manual instructions. Abs light flashed 41 then 46 repeatedly. TRC flashed code 43. ABS Code 1241 = LOW BATTERY POSITIVE VOLTAGE OR ABNORMALLY HIGH BATTERY POSITIVE. Code 1246 = Master Cylinder Pressure Sensor Malfunction TRC Code 1243 = Malfunction in ABS control system -Cleared codes and disconnected battery. On ignition warning lights apppeared. Fault therefore must be detected at check and not a rolling fault. -Mulled it over for the day and read some of the manual. Unusual failure, seemed like the next step would be test the ABS control unit. -Went shopping (she made me) noticed for the umpteenth time people were trying to weld themselves to the back of the bumper and in the week or so the warning lights appeared a few horns I couldn't understand. Wonder if I have brake lights? -checked brake lights. Inoperative. -checked fuses, bulbs and any wiring, checked power to bulb - no power. Pondered. -check brake pedal switch - Inoperative!! Disconnected plug and bridged contacts. Brake lights on. Cycled ignition. Warning lights off. Without bridge warning lights on. -Took out switch, cleaned contacts and dried off some maintenance spray (potentially caused my own problem..dohh) Benched tested and working. Re installed in car allowing for 80k wear. - ABS and TRC functioning. Conclusion. If ABS and TRC only warning lights appear. Check brake light in operation and pedal switch is working. Have yet to road test ABS/TRC function. When it rains I will!