P1380moderate severityPowertrain
Misfire Detected - Rough Road Data Not Available
on 2010 Cadillac SRX 3.6L V6 · AWD
What this code means
The PCM detected engine misfires but cannot access rough road data from the Electronic Brake Control Module (EBCM) to distinguish between actual misfires and crankshaft speed variations caused by rough road surfaces. The EBCM uses wheel speed sensors to detect rough road conditions.
Symptoms
- Check Engine Light
- Possible misfires
- Rough running
- Poor performance
- MIL may flash during misfire
Common causes
- ABS module malfunction preventing rough road detection
- Actual engine misfire with coincidental ABS issue
- Wheel speed sensor failure
- Communication fault between PCM and EBCM
- Spark plug or ignition coil failure
- Vacuum leak
Diagnostic steps
- Check for ABS/EBCM related codes first
- Inspect wheel speed sensors
- Test communication between PCM and EBCM
- If misfires are confirmed, check ignition and fuel systems
- Repair other codes before addressing P1380
Repair notes
Repair ABS/EBCM related codes first. If actual misfires exist, diagnose ignition and fuel systems separately. Clear code and retest.
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Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1