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.
Anti Lock Brake System (Abs) Diagnostic Trouble Codes (DTC) And Associated Procedures - 1 Of 2 (Convertible)
2004 Volvo C70 2.4 63SECTION Anti Lock Brake System (Abs) Diagnostic Trouble Codes (DTC) And Associated Procedures - 1 Of 2 (Convertible)
- Abs-141 EBD Pressure Switch. Fault In Circuit (1998)
- Diagnostic trouble code (DTC) information
- Fault in circuit
- Other diagnostic trouble codes (DTCs)
- Status check
- Fault in circuit. Permanent fault
- Checking for resistance in the EBD pressure switch circuit
- Checking resistance in the EBD pressure switch
- Replacing component
- Checking resistance in signal cable (+)
- Checking for an open-circuit in the cable
- Checking resistance in signal cable ()
- Checking signal cable (+) resistance to signal cable
- Checking for contact resistance and oxidation
- Checking for a short-circuit
- Checking EBD pressure switch circuit
- Verification
- Connecting the breakout box
- Information
- Fault in circuit. Intermittent fault
- Abs-141 EBD Pressure Switch. Fault In Circuit. Intermittent Fault (1998)
- Abs-142 Faulty Stop (Brake) Lamp Switch. Faulty Signal (1998)
- DTC information
- Fault in circuit
- Other diagnostic trouble codes (DTCs)
- Status check
- Fault in circuit. Permanent fault
- Checking stop (brake) light status
- Checking the stop (brake) light switch
- Checking for a short-circuit
- Checking stop (brake) lamp switch adjustment
- Cause of fault
- Replacing component
- Checking the stop (brake) light
- Checking for an open-circuit in the cable
- Checking fuse 11/12
- Checking for a short-circuit and replacing component
- Checking voltage before fuse 11/12
- Checking power supply to stop (brake) light switch
- Verification
- Information
- Fault in circuit. Intermittent fault
- Abs-142 Faulty Stop (Brake) Lamp Switch. Faulty Signal. Intermittent Fault (1998)
- Abs-143 Vehicle Speed Signal. Fault In Circuit (1998)
- DTC information
- Fault in circuit
- Other diagnostic trouble codes (DTCs)
- Status check
- Fault in circuit. Permanent fault
- Checking signal cable resistance
- Checking for an open-circuit in the cable
- Checking signal cable resistance to ground
- Checking for a short-circuit
- Checking short-circuit to supply voltage in signal cable
- Checking the combined instrument panel
- Fault cause and checking for contact resistance and oxidation
- Replacing component
- Speedometer working
- Verification
- Connecting the breakout box
- Information
- Fault in circuit. Intermittent fault
- Abs-143 Vehicle Speed Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-144 Front Wheel Brake Discs. Temperature Too High (1998)
- Abs-211 Left Front Wheel Sensor Signal. Incorrect Wheel Speed (1998)
- DTC information
- Incorrect wheel speed
- Status check
- Incorrect wheel speed Intermittent fault
- Information
- Incorrect wheel speed. Permanent fault
- Checking resistance in wheel sensor circuit
- Checking wheel sensor resistance
- Checking for contact resistance and oxidation
- Replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Corrective action
- Checking brakes
- Checking wheel sensor
- Remedying and replacing component
- Checking pulse wheel
- Connecting the breakout box
- Verification
- Abs-211 Left Front Wheel Sensor Signal. Incorrect Wheel Speed. Intermittent Fault (1998)
- Abs-212 Right Front Wheel Sensor Signal. Incorrect Wheel Speed (1998)
- Abs-212 Right Front Wheel Sensor Signal. Incorrect Wheel Speed. Intermittent Fault (1998)
- Abs-213 Left Rear Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-213 Left Rear Wheel Sensor Signal. Incorrect Wheel Speed (1998)
- DTC information
- Incorrect wheel speed
- Status check
- Incorrect wheel speed Intermittent fault
- Information
- Incorrect wheel speed. Permanent fault
- Checking resistance in wheel sensor circuit
- Checking wheel sensor resistance
- Checking for contact resistance and oxidation
- Checking for an open-circuit, short-circuit and replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Corrective action
- Checking brakes
- Checking wheel sensor
- Remedying and replacing component
- Checking pulse wheel
- Replacing component
- Connecting the breakout box
- Verification
- Abs-214 Right Rear Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-214 Right Rear Wheel Sensor Signal. Incorrect Wheel Speed (1998)
- Abs-221 Left Front Wheel Sensor Signal. Abs Control Phase Too Long. (1998)
- ABS control phase too long
- Status check
- ABS control phase too long.Intermittent fault.
- Information
- ABS control phase too long. Permanent fault
- Checking resistance in wheel sensor circuit
- Check resistance in wheel sensor
- Checking for contact resistance and oxidation
- Replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Corrective action
- Checking brakes
- Checking wheel sensor
- Remedy or replace component
- Checking pulse wheel
- Connecting the breakout box
- Verification
- DTC information
- ABS control phase too long
- Abs-221 Left Front Wheel Sensor Signal. Abs Control Phase Too Long. Intermittent Fault (1998)
- Abs-222 Right Front Wheel Sensor Signal. Abs Control Phase Too Long. (1998)
- Abs-222 Right Front Wheel Sensor Signal. Abs Control Phase Too Long. Intermittent Fault (1998)
- Abs-223 Left Rear Wheel Sensor Signal. Abs Control Phase Too Long. (1998)
- ABS control phase too long
- Status check
- ABS control phase too long.Intermittent fault.
- Information
- ABS control phase too long. Permanent fault
- Checking resistance in wheel sensor circuit
- Check resistance in wheel sensor
- Checking for contact resistance and oxidation
- Checking for an open-circuit, short-circuit and replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Corrective action
- Checking brakes
- Checking wheel sensor
- Remedy or replace component
- Checking pulse wheel
- Replacing component
- Connecting the breakout box
- Verification
- DTC information
- ABS control phase too long
- Abs-223 Left Rear Wheel Sensor Signal. Abs Control Phase Too Long. Intermittent Fault (1998)
- Abs-224 Right Rear Wheel Sensor Signal. Abs Control Phase Too Long. (1998)
- Abs-224 Right Rear Wheel Sensor Signal. Abs Control Phase Too Long. Intermittent Fault (1998)
- Abs-311 Left Front Wheel Sensor Signal. Fault In Circuit. (1998)
- Abs-311 Left Front Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-311, Abs-312 (1998)
- Abs-312 Right Front Wheel Sensor Signal. Fault In Circuit. (1998)
- Abs-312 Right Front Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-313 Left Rear Wheel Sensor Signal. Fault In Circuit. (1998)
- DTC information
- Fault in the circuit
- Other diagnostic trouble codes (DTCs)
- Status check
- Fault in circuit. Permanent fault
- Checking resistance in wheel sensor circuit
- Checking wheel sensor resistance
- Checking for an open-circuit, short-circuit and replacing component
- Checking resistance in signal cable (+)
- Checking signal cable (+) connector
- Cause of fault
- Checking for an open-circuit in the cable
- Checking resistance in signal cable (-)
- Checking signal cable (-) connector
- Checking signal cable (+) resistance to signal cable (-)
- Checking contact resistance and oxidation
- Checking for a short-circuit
- Checking signal cables
- Connecting the breakout box
- Verification
- Information
- Circuit fault.Intermittent fault
- Abs-313 Left Rear Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-314 Right Rear Wheel Sensor Signal. Fault In Circuit. (1998)
- Abs-314 Right Rear Wheel Sensor Signal. Fault In Circuit. Intermittent Fault (1998)
- Abs-321 Left Front Wheel Sensor Signal. Extrapolation Counter. Intermittent Fault (1998)
- Abs-321 Left Front Wheel Sensor Signal. Extrapolation Counter. Permanent Fault (1998)
- DTC information
- Extrapolation counter. Permanent fault
- Connecting the breakout box
- Checking resistance in wheel sensor circuit
- Check resistance in wheel sensor
- Checking for contact resistance and oxidation
- Replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Corrective action
- Checking wheel sensor
- Remedy or replace component
- Checking pulse wheel
- Checking cables and terminals
- Checking for interference
- Verification
- Information
- Abs-322 Right Front Wheel Sensor Signal. Extrapolation Counter. Intermittent Fault (1998)
- Abs-322 Right Front Wheel Sensor Signal. Extrapolation Counter. Permanent Fault (1998)
- Abs-323 Left Rear Wheel Sensor Signal. Extrapolation Counter. Intermittent Fault (1998)
- Abs-323 Left Rear Wheel Sensor Signal. Extrapolation Counter. Permanent Fault (1998)
- DTC information
- Extrapolation counter. Permanent fault
- Connecting the breakout box
- Checking resistance in wheel sensor circuit
- Checking resistance in wheel sensor
- Checking for contact resistance and oxidation
- Checking for an open-circuit, short-circuit and replacing component
- Checking signal cables
- Checking for a short-circuit
- Checking wheel bearings
- Action
- Checking wheel sensor
- Remedying or replacing component
- Checking pulse wheel
- Replacing component
- Checking cables and terminals
- Checking for interference
- Verification
- Information
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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.