Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This means that when the car is started cold, the engine is running faster than it should be.
The engine control module (ECM) monitors the idle speed during a cold start. If the RPM is higher than expected, it triggers this code.
P1562 indicates that the idle air control system is allowing too much air into the engine during a cold start, causing the RPM to be higher than the predetermined threshold set by the manufacturer for Bank 1.
• High idle RPM during cold start
• Check Engine Light on
• Rough idle
• Faulty idle air control valve
• Vacuum leak
• Faulty throttle body
ECM: Engine Control Module
RPM: Revolutions Per Minute
• Check for vacuum leaks in the intake system.
• Inspect the idle air control valve for damage or blockage.
• Test the throttle body for proper operation.
• Replace or clean the idle air control valve.
• Repair any vacuum leaks found.
• Replace or repair the throttle body if faulty.
• OBD-II scanner
• Vacuum gauge
• Multimeter
$100 - $300
Moderate
• Volkswagen Jetta
• Audi A4
• BMW 3 Series
• Regular maintenance of the idle air control valve.
• Check for vacuum leaks during routine inspections.
• Ensure throttle body is clean and functioning properly.
Engine Performance
• Avoid driving aggressively until the issue is resolved.
• Get the vehicle inspected by a professional mechanic.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been more common in vehicles with high mileage or those that have not had regular maintenance.
Moderate – It may not cause immediate problems, but should be addressed to prevent further issues.
Driving with this code may lead to increased emissions and potential engine damage over time.
• Engine must be cold.
• Vehicle should be in park or neutral.
The idle air control valve is typically located on or near the throttle body.
Q: Can I drive with a P1562 code?
A: While it might not cause immediate issues, it's best to get it fixed to avoid potential engine problems.
Q: What happens if I ignore the P1562 code?
A: Ignoring it can lead to poor fuel efficiency and possible engine damage over time.
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