BMW DTC P1454 – Secondary Air Injection Pump with Series Resistor Control Circuit Electrical
DTC P1454 meaning on BMW
DTC P1454 on a BMW refers to an issue with the Secondary Air Injection Pump with Series Resistor Control Circuit Electrical. This diagnostic trouble code indicates that there is an electrical fault in the circuit controlling the secondary air injection pump system.
BMW DTC P1454 symptoms
Symptoms of DTC P1454 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Reduced engine performance
- Increased emissions
BMW DTC P1454 causes
Common causes of DTC P1454 on a BMW include:
- Faulty secondary air injection pump
- Defective series resistor control circuit
- Wiring issues or poor connections
BMW DTC P1454 seriousness
DTC P1454 should not be ignored as it can lead to increased emissions and potential engine performance issues. While the vehicle may still be operable, it is recommended to address this issue promptly to prevent further damage.
How to diagnose DTC P1454 on BMW
To diagnose DTC P1454 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the secondary air injection pump and associated wiring for any visible damage
- Test the series resistor control circuit for continuity and proper voltage
How to fix DTC P1454 on BMW
To fix DTC P1454 on a BMW, the following steps may be taken:
- Replace the faulty secondary air injection pump if necessary
- Repair or replace any damaged wiring or connectors in the circuit
- Test the system to ensure proper operation
How to erase DTC P1454 on BMW
After addressing the underlying issue causing DTC P1454 on a BMW, the fault code can be erased using a diagnostic scanner. This will reset the Check Engine Light and clear the code from the vehicle’s memory.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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