P2316 Cadillac Code - Ignition Coil 6 Control Circuit High Voltage
Quick Answer
The ignition system on this engine uses ignition coils with integrated power transistors. Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2316 Cadillac indicates Ignition Coil 6 Control Circuit High Voltage.
- Common causes
- Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2316 Cadillac Description
What are the Possible Causes of the DTC P2316 Cadillac?
- Faulty Ignition Coil 6
- Ignition Coil 6 harness is open or shorted
- Ignition Coil 6 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P2316 Cadillac?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2316 Cadillac code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2316 Cadillac Code
1. What does the OBDII code P2316 mean on a Cadillac?
P2316 indicates an issue with the ignition coil 6 control circuit, specifically a high voltage condition detected by the engine control module (ECM).
2. What are the common symptoms of code P2316 in a Cadillac?
Symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and the check engine light turning on.
3. What causes the P2316 code to appear on a Cadillac?
Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil 6 circuit, a defective ECM, or corroded electrical connections.
4. Can I drive my Cadillac with a P2316 code?
It’s not recommended to drive for extended periods with this code, as it can cause engine misfires, reduced performance, and potential damage to the catalytic converter.
5. How do I diagnose the P2316 code in a Cadillac?
Start by inspecting the ignition coil 6 wiring and connectors for damage, testing the ignition coil for proper operation, and checking the circuit voltage with a multimeter.
6. How do I fix the P2316 code on a Cadillac?
Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, cleaning corroded connections, or reprogramming or replacing the ECM if necessary.
7. How much does it cost to fix the P2316 code on a Cadillac?
The cost varies depending on the exact issue. Replacing an ignition coil typically costs $100-$300, while wiring repairs or ECM replacement can range from $500 to $1,500.
8. Can a bad spark plug cause the P2316 code?
While a bad spark plug is less likely to directly trigger P2316, it can cause ignition system issues that may affect the coil, so it’s worth inspecting.
9. How do I reset the P2316 code after repairs on my Cadillac?
You can reset the code by using an OBDII scanner to clear the error, but ensure the issue is resolved to avoid the code returning.
10. What tools are needed to troubleshoot the P2316 code on a Cadillac?
Basic tools include an OBDII scanner, a multimeter for voltage testing, and possibly a spark tester to evaluate ignition coil performance.
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