What Does P1000 Mean?
This manufacturer-specific code indicates the OBD-II readiness monitors have not completed their self-test procedures. Common on Ford vehicles after battery disconnect or code clearing.
Common Causes
60%
Recent battery disconnection or code clearing reset monitors
25%
Insufficient drive cycle completion for monitor testing
10%
Existing fault preventing monitors from running to completion
3%
Control module software issue preventing monitor execution
2%
Low battery voltage during drive cycle
Diagnostic Steps
1
Step 1: Check for other active DTCs that may prevent monitors from running
2
Step 2: Verify battery voltage is above 12.4V and charging system operating properly
3
Step 3: Review monitor status on scan tool to identify which monitors are incomplete
4
Step 4: Perform manufacturer-specific drive cycle to enable monitor completion
5
Step 5: Allow vehicle to complete multiple drive cycles with varied conditions
Estimated Repair Cost
$0 - $150
Parts + labor, varies by vehicle and location
This manufacturer-specific code indicates the OBD-II readiness monitors have not completed their self-test procedures. Common on Ford vehicles after battery disconnect or code clearing.
The most common cause of P1000 (OBD II Monitor Testing Not Completed) is: Recent battery disconnection or code clearing reset monitors
Typical repair costs for P1000 range from $0 to $150, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Not a safety concern. Vehicle will function normally but may fail emissions testing until monitors complete.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P1000 to identify the root cause.
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Quick Info
Category
Powertrain
System
Diagnostic System
Difficulty
Type
Manufacturer
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