Subaru OBD-II 1996 & Newer models DTC P1507 – Idle Control System Malfunction (Fail Safe)
DTC P1507 meaning on Subaru OBD-II 1996 & Newer models
DTC P1507 indicates an Idle Control System Malfunction (Fail Safe) on Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1507 symptoms
- Engine idling too high or too low
- Stalling at idle
- Check Engine Light (CEL) illuminated on the dashboard
Subaru OBD-II 1996 & Newer models DTC P1507 causes
- Malfunctioning Idle Air Control Valve (IACV)
- Vacuum leaks in the intake system
- Throttle body issues
- Wiring or connector problems in the idle control circuit
Subaru OBD-II 1996 & Newer models DTC P1507 seriousness
The seriousness of DTC P1507 lies in the potential for poor engine performance, reduced fuel efficiency, and the risk of stalling, which can affect the drivability and safety of the vehicle.
How to diagnose DTC P1507 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble code and freeze frame data
- Inspect the Idle Air Control Valve (IACV) for proper operation
- Check for vacuum leaks in the intake system
- Inspect the throttle body for any issues
- Test the wiring and connectors in the idle control circuit for continuity and proper voltage
How to fix DTC P1507 on Subaru OBD-II 1996 & Newer models
- Clean or replace the Idle Air Control Valve (IACV) if faulty
- Repair any vacuum leaks in the intake system
- Clean the throttle body or replace if necessary
- Repair or replace any damaged wiring or connectors in the idle control circuit
How to erase DTC P1507 on Subaru OBD-II 1996 & Newer models
To clear the DTC P1507 code, you can use an OBD-II scanner to reset the codes after the underlying issue has been diagnosed and fixed. This will turn off the Check Engine Light and erase the trouble code from the vehicle’s memory.
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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