Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Saturn Ion Red LineFACTORY OEM SERVICE PROCEDURE
Antilock Brake DTCS
ANTILOCK BRAKE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC C0035 | Left Front Wheel Speed Circuit Malfunction |
| DTC C0036 | LF Wheel Speed Circuit Range/Performance |
| DTC C0040 | Right Front Wheel Speed Circuit Malfunction |
| DTC C0041 | Right Front Wheel Speed Sensor Circuit Range/Performance (EBCM) |
| DTC C0045 | Left Rear Wheel Speed Circuit Malfunction |
| DTC C0046 | Left Rear Wheel Speed Sensor Circuit Range/Performance (EBCM) |
| DTC C0050 | Right Rear Wheel Speed Circuit Malfunction |
| DTC C0051 | LF Wheel Speed Sensor Circuit Range/Performance (EBCM) |
| DTC C0060 | Left Front ABS Solenoid #1 Circuit Malfunction |
| DTC C0065 | Left Front ABS Solenoid #2 Circuit Malfunction |
| DTC C0070 | Right Front ABS Solenoid #1 Circuit Malfunction |
| DTC C0075 | Right Front ABS Solenoid #2 Circuit Malfunction |
| DTC C0080 | Left Rear ABS Solenoid #1 Circuit Malfunction |
| DTC C0085 | Left Rear ABS Solenoid #2 Circuit Malfunction |
| DTC C0090 | Right Rear ABS Solenoid #1 Circuit Malfunction |
| DTC C0095 | Right Rear ABS Solenoid #2 Circuit Malfunction |
| DTC C0110 | Pump Motor Circuit Malfunction |
| DTC C0121 | Valve Relay Circuit Malfunction |
| DTC C0161 | ABS/TCS Brake Switch Circuit Malfunction |
| DTC C0245 | Wheel Speed Sensor Frequency Error |
| DTC C0896 | Electronic Suspension Control (ESC) voltage is outside the normal range of 9 to 15.5 volts |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.