P1414 BMW Code - Secondary Air Injection System Monitor Circuit High
Quick Answer
The Air Injection (AIR) System refers to an emissions control system used by some vehicle manufacturers. Common causes include Faulty Vacuum hoses damaged, Faulty One-Way Check Valve, Faulty Secondary Air Pump inoperative. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1414 BMW indicates Secondary Air Injection System Monitor Circuit High.
- Common causes
- Common causes include Faulty Vacuum hoses damaged, Faulty One-Way Check Valve, Faulty Secondary Air Pump inoperative.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1414 BMW Description
The system consists of an air pump, one way check valve and associated pipework. The system operates for a predetermined time after start up. Normally this duration is approximately three minutes, when cold.
What are the Possible Causes of the DTC P1414 BMW?
- Faulty Vacuum hoses damaged
- Faulty One-Way Check Valve
- Faulty Secondary Air Pump inoperative
- Secondary Air Pump harness is open or shorted
- Secondary Air Pump circuit poor electrical connection
How to Fix the DTC P1414 BMW?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1414 BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1414 BMW Code
1. What does the OBDII code P1414 mean on a BMW?
The P1414 code indicates a high voltage issue in the Secondary Air Injection System Monitor Circuit, suggesting a problem with the system that helps reduce emissions during engine warm-up.
2. What are the common symptoms of a P1414 code on a BMW?
Symptoms may include a lit Check Engine Light, increased emissions, reduced fuel efficiency, and possibly a failed emissions test.
3. What causes the P1414 code to appear in a BMW?
Common causes include a faulty secondary air pump, a defective relay, wiring issues, a clogged air injection system, or a malfunctioning pressure sensor.
4. Can a bad secondary air pump trigger the P1414 code?
Yes, a failing secondary air pump can cause the P1414 code by disrupting the system's ability to inject air properly, leading to circuit voltage irregularities.
5. How do I diagnose the P1414 code on a BMW?
Start by checking the wiring and connectors for damage, then test the secondary air pump, relay, and pressure sensor for proper operation using a multimeter or diagnostic tools.
6. Is it safe to drive with a P1414 code on a BMW?
While the car may still be drivable, ignoring the P1414 code can lead to increased emissions and potential long-term damage to the exhaust system.
7. How do I fix the P1414 code on a BMW?
Repairs may involve replacing the secondary air pump, fixing damaged wiring, replacing a faulty relay, or cleaning out clogged air injection components.
8. Does a clogged secondary air injection system cause the P1414 code?
Yes, blockages in the system can prevent proper airflow, leading to high circuit voltage and triggering the P1414 code.
9. Will clearing the P1414 code fix the issue permanently?
Clearing the code will reset the Check Engine Light, but the underlying issue must be repaired to prevent the code from returning.
10. Can a faulty relay cause the P1414 code in a BMW?
Yes, a defective relay can disrupt the electrical flow to the secondary air pump, causing a high voltage condition and triggering the P1414 code.
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