Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer is having trouble with the electrical signal that helps control the spark in cylinder 2 of the engine. Imagine if one of the spark plugs in your car wasn't getting enough power to do its job.
The P130C code indicates a low signal in the control line for the ignition system's ionic current module, specifically for cylinder 2.
The Ionic Current Control Module monitors the combustion process in the engine's cylinders by measuring the ionic current. This current is used to detect misfires and optimize ignition timing. A low signal in the control line for cylinder 2 suggests that the module is not receiving the expected voltage or current, which could affect the ignition process.
• Check Engine Light illuminated
• Rough engine idle
• Decreased engine performance
• Faulty ignition coil
• Wiring issues or poor connections
• Defective Ionic Current Control Module
Ionic Current: A flow of charged particles used to monitor combustion in the engine.
Ignition Coil: A component that transforms the battery's voltage to a higher voltage to create a spark in the spark plugs.
• Use an OBD-II scanner to confirm the code.
• Inspect the ignition coil and wiring for cylinder 2.
• Test the Ionic Current Control Module for proper operation.
• Replace the faulty ignition coil.
• Repair or replace damaged wiring or connectors.
• Replace the Ionic Current Control Module if necessary.
• OBD-II scanner
• Multimeter
• Socket set
$150 - $400
Moderate
• BMW 3 Series
• BMW 5 Series
• BMW X5
• Regular maintenance of the ignition system.
• Ensure all electrical connections are secure.
• Use high-quality ignition components.
Engine Performance
• Have the vehicle inspected by a professional mechanic.
• Avoid driving the vehicle aggressively until repaired.
Check with the vehicle manufacturer for warranty coverage on ignition components.
This code is more common in vehicles with advanced ignition systems that use ionic current sensing.
Moderate – Should be addressed soon to prevent further engine performance issues.
Driving with a misfire can cause damage to the catalytic converter and increase emissions.
• Engine at operating temperature
• Vehicle in a safe and controlled environment
The Ionic Current Control Module is typically located near the engine, often integrated with the ignition coil or spark plug assembly.
Q: Can I drive with a P130C code?
A: It's not recommended to drive for extended periods with this code as it can lead to further engine issues.
Q: How can I prevent this code from reappearing?
A: Regular maintenance and ensuring all ignition components are in good condition can help prevent this code.
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Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
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Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
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Fitment Required · Vehicle-fitment part
Commonly relevant for misfire, ignition-efficiency, and some drivability-related repairs.
Misfire and ignition-related faults commonly involve spark plugs as part of the repair path.
Check the correct plug type, gap, and engine application for your vehicle.
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Fitment Required · Vehicle-fitment part
Relevant when the fault points toward ignition-coil performance or cylinder-specific ignition issues.
Some ignition faults involve coil performance or cylinder-specific coil problems.
Match the coil to your engine and confirm the failed component before ordering.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.