C1130
Engine Signal 1
C1130 is an OBD-II diagnostic trouble code meaning: Engine Signal 1. Common causes: open or short circuit in engine signal circuit, sensor malfunction (for example, mass air flow sensor, crankshaft position sensor). Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Dips during acceleration
- Check Engine Light Illuminates
- Increased fuel consumption
Causes
- Open or short circuit in engine signal circuit
- Sensor malfunction (for example, mass air flow sensor, crankshaft position sensor)
- Corrosion of contacts or connectors
- Problems with the engine control unit (ECU)
How to Fix
- Check the integrity of the wiring and connectors in the engine signal circuit
- Test sensors associated with the engine signal
- Check the power and ground of the sensors
- Scan the ECU for additional errors
- If necessary, replace faulty components
Related codes
FAQ
What does the C1130 code mean?
C1130 is an OBD-II diagnostic trouble code that indicates: Engine Signal 1
What causes a C1130 error code?
The most common causes of C1130 include: Open or short circuit in engine signal circuit; Sensor malfunction (for example, mass air flow sensor, crankshaft position sensor); Corrosion of contacts or connectors; Problems with the engine control unit (ECU).
How do I fix a C1130 diagnostic trouble code?
To fix C1130: Check the integrity of the wiring and connectors in the engine signal circuit. Test sensors associated with the engine signal. Check the power and ground of the sensors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1130?
Limited driving only, diagnose soon
How much does it cost to fix C1130?
The estimated repair cost for C1130 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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