P1413

DTC P1413
Secondary air system fault bank 1 Drive cycle D:Signal out of range - above maximum.

Possible causes by suggested order of priority:
- Connector C0879, Connector C0636, Connector C0572
- Connector C0641, Connector C0563
- Fuse 37 (30 Amp)
- Secondary air pump.
- Secondary air valve.

Connector C0879, Connector C0636, Connector C0572
- Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

Connector C0641, Connector C0563
- Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

Fuse 37 (30 Amp)
- Check for fuse not correctly inserted, fuse blown, fuse connections loose, damaged or corroded.
- Certain diagnostics may also perform further checks to try and narrow down the fault. Eg Check if other circuits fed by the same fuse are also experiencing problems

Secondary air pump.
- Check the secondary air pump for any faults or damage.
- If TestBook available, it can be used to confirm any suspected faults. Run the secondary air system diagnostic, as this will tell you if the system is operating correctly.

Secondary air valve.
- Check the secondary air valves for any faults or damage.
- If TestBook available, it can be used to confirm any suspected faults. Run the secondary air system diagnostic, as this will tell you if the system is operating correctly.