Fault In Valve Coil Circuit

Fault in valve coil circuit

Read off other diagnostic trouble codes (DTCs)
Read off other diagnostic trouble codes (DTCs).
If diagnostic trouble codes (DTCs) ABS-423 and ABS-141 or ABS-423 and ABS-142 or ABS-423 and ABS-143 or ABS-423 and ABS-144 have been read off then diagnostic trouble codes (DTCs) ABS-141, ABS-142, ABS-143 and ABS-144 must be remedied before ABS-423.




- Select one of the following alternatives:
1. ABS-423
2. ABS-423 and ABS-141
3. ABS-423 and ABS-142
4. ABS-423 and ABS-143
5. ABS-423 and ABS-144

Select one of the alternatives above.

1 - Permanent fault Permanent Fault

2 - Conditions

3 - Conditions

4 - Conditions

5 - Conditions

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Conditions
Diagnostic trouble code (DTC) ABS-141 must be remedied before ABS-423.
Continue fault-tracing.
If diagnostic trouble code (DTC) ABS-141 has already been remedied then ignore it when reading off diagnostic trouble codes (DTCs).

Has diagnostic trouble code (DTC) ABS-141 already been remedied?

Yes - Status check

No - No Fault Found

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Conditions
Diagnostic trouble code (DTC) ABS-142 must be remedied before ABS-423.
Continue fault-tracing.
If diagnostic trouble code (DTC) ABS-142 has already been remedied then ignore it when reading off diagnostic trouble codes (DTCs).

Has diagnostic trouble code (DTC) ABS-142 already been remedied?

Yes - Status check

No - No Fault Found

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Conditions
Diagnostic trouble code (DTC) ABS-143 must be remedied before ABS-423.
Continue fault-tracing.
If diagnostic trouble code (DTC) ABS-143 has already been remedied then ignore it when reading off diagnostic trouble codes (DTCs).

Has diagnostic trouble code (DTC) ABS-143 already been remedied?

Yes - Status check

No - No Fault Found

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Conditions
Diagnostic trouble code (DTC) ABS-144 must be remedied before ABS-423.
Continue fault-tracing.
If diagnostic trouble code (DTC) ABS-144 has already been remedied then ignore it when reading off diagnostic trouble codes (DTCs).

Has diagnostic trouble code (DTC) ABS-144 already been remedied?

Yes - Status check

No - No Fault Found

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Status check
- Disconnect the Volvo Scan Tool (ST) to interrupt diagnostics.

Warning! The ABS and EBD functions are not available when Volvo Diagnostics are activated. Take care when test driving the car as the wheels may lock when braking.




- Test drive car according to Test driving Test Driving
- Read off diagnostic trouble code (DTC) status.

Is the status intermittent?

Yes - Intermittent fault Intermittent Fault

No - Permanent fault Permanent Fault

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