What Does P1430 Mean?
The secondary electric air pump has failed or a fault has been detected in the secondary pump circuit. This typically applies to vehicles with dual air pumps or a secondary monitoring system for the air injection pump.
Common Causes
40%
Failed secondary air pump motor or seized pump bearings
25%
Electrical circuit fault in secondary pump wiring or connector
20%
Failed secondary air pump relay
10%
Blockage in secondary air pump intake filter or hoses
5%
Corroded ground connection at secondary pump
Diagnostic Steps
1
Step 1: Identify which pump is designated as secondary and attempt to command it on with scan tool
2
Step 2: Check fuse and relay specific to secondary air pump circuit
3
Step 3: Verify battery voltage reaches pump connector when relay is commanded on
4
Step 4: Disconnect pump and measure motor winding resistance and check for free rotation
5
Step 5: Inspect air intake filter and all hoses for restrictions or blockages
Estimated Repair Cost
$300 - $850
Parts + labor, varies by vehicle and location
The secondary electric air pump has failed or a fault has been detected in the secondary pump circuit. This typically applies to vehicles with dual air pumps or a secondary monitoring system for the air injection pump.
The most common cause of P1430 (Electric Air Pump Secondary Failure) is: Failed secondary air pump motor or seized pump bearings
Typical repair costs for P1430 range from $300 to $850, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Safe to drive with no immediate safety concerns. Emissions will be higher during cold start and vehicle will fail emissions testing.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P1430 to identify the root cause.
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Quick Info
Category
Powertrain
System
Secondary Air Injection/Emissions
Difficulty
Type
Manufacturer
Recommended Tools
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