My 2003 Hyundai Santa Fe ABS light is staying on but the ABS is not engaged.
Here are all the possible problems which can turn on your ABS light.
C1101 Battery voltage over volt: 18V or more ○ ○ BR - 69
C1102 Battery voltage low volt: 9.5V or less ○ ○ BR - 69
C1200 FL wheel sensor: open or short to ground ○ ○ BR - 66
C1201 - Range/Performance: speed jump or damaged exciter ○ ○ BR - 67
C1202 - No signal: air-gap error or wrong excite ○ ○ BR - 68
C1203 FR wheel sensor: open or short to ground ○ ○ BR - 66
C1204 - Range/Performance: speed jump or damaged exciter ○ ○ BR - 67
C1205 - No signal excite: air-gap error or wrong excite ○ ○ BR - 68
C1206 RL wheel sensor: open or short to ground ○ ○ BR - 66
C1207 - Range/Performance: speed jump or damaged exciter ○ ○ BR - 67
C1208 - No signal excite: air-gap error or wrong excite ○ ○ BR - 68
C1209 RR wheel sensor: open or short to ground ○ ○ BR - 66
C1210 - Range/Performance: speed jump or damaged exciter ○ ○ BR - 67
C1211 No signal: air-gap error or wrong excite ○ ○ BR - 68
C1604 ECU hardware: ECU internal or valve failure ○ ○ BR - 70
C2112 Valve relay: valve relay or fuse failure ○ ○ BR - 70
C2402 Motor-Electrical: open or short to battery, motor relay, fuse or motor lock fail ○ ○ BR - 71
C1503 TCS switch failure δ ○
C1605 CAN Hardware failure δ ○ BR - 71
C1610 CAN Bus off failure δ ○ BR - 71
C1611 EMS Time-out failure δ ○ BR - 71
C1612 TCM Time-out failure δ ○ BR - 71
C1613 TCM Un-matching failure δ ○ BR - 71
C2227 Brake disc overheat δ ○
C1274 G-Sensor signal fail (only 4WD) ○ ○ BR - 72
C1275 G-Sensor open or short to ground (only 4WD) ○ ○ BR - 72
You'll need a scanner which is compatible with Hyundai's ABS system to retrieve any DTC's (Diagnostic Trouble Codes) stored in its computer. Any time the ABS light comes on, there's a DTC stored in its computer - that code will tell you where the problem exists. Then you can go from there.
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