What Does P248A Mean?
This code is reserved by ISO/SAE for future definition and is not currently assigned to a specific diagnostic function. This may indicate a scan tool communication error, software issue, or placeholder code.
Common Causes
40%
Scan tool software error or outdated code library
25%
PCM software corruption or update needed
15%
Communication interference or voltage issue during code retrieval
12%
Aftermarket tuning or modified ECU software
8%
Manufacturer-specific code misidentified as generic
Diagnostic Steps
1
Step 1: Clear codes and re-scan vehicle to verify if code returns or was a one-time glitch
2
Step 2: Update scan tool software to latest version and verify code definition
3
Step 3: Check with vehicle manufacturer for any Technical Service Bulletins related to this code range
4
Step 4: Verify battery voltage is stable (12.5-14.5V) and OBD-II connector pins are clean and tight
5
Step 5: If code persists, contact manufacturer technical support or check if PCM software update is available
Estimated Repair Cost
$0 - $200
Parts + labor, varies by vehicle and location
This code is reserved by ISO/SAE for future definition and is not currently assigned to a specific diagnostic function. This may indicate a scan tool communication error, software issue, or placeholder code.
The most common cause of P248A (P24FF ISO/SAE Reserved) is: Scan tool software error or outdated code library
Typical repair costs for P248A range from $0 to $200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
No direct safety implications as this is likely a diagnostic system anomaly. Vehicle operation should be normal.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P248A to identify the root cause.
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Quick Info
Category
Powertrain
System
Diagnostic System
Difficulty
Type
Generic (SAE)
Recommended Tools
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