P1468 Cadillac Code - EVAP Purge Pump Overspeed
Quick Answer
Purge capacity is being reduced by technologies that improve fuel economy. Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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
- P1468 Cadillac indicates EVAP Purge Pump Overspeed.
- Common causes
- Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump 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 P1468 Cadillac Description
What are the Possible Causes of the DTC P1468 Cadillac?
- Faulty Evaporative Emission Purge Pump
- Evaporative Emission Purge Pump harness is open or shorted
- Evaporative Emission Purge Pump circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P1468 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 P1468 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 P1468 Cadillac Code
1. What does the OBDII code P1468 mean on a Cadillac?
P1468 indicates an "EVAP Purge Pump Overspeed," meaning the evaporative emissions purge pump is operating at a higher speed than expected.
2. What are common symptoms of the P1468 code?
Symptoms may include an illuminated check engine light, increased fuel odor, poor fuel efficiency, or difficulty starting the engine.
3. What causes the P1468 code to appear?
Common causes include a faulty EVAP purge pump, vacuum leaks in the EVAP system, a clogged charcoal canister, or damaged wiring and connectors.
4. Can I drive my Cadillac with a P1468 code?
While the car may still be drivable, ignoring the issue could lead to increased emissions and potentially damage other EVAP system components.
5. How is the P1468 code diagnosed?
A mechanic will use a scan tool to confirm the code, inspect the EVAP purge pump, check for vacuum leaks, and test the electrical connections in the EVAP system.
6. How do I fix a P1468 code on my Cadillac?
Repairs might involve replacing the EVAP purge pump, fixing any vacuum leaks, cleaning or replacing the charcoal canister, or repairing damaged wiring.
7. How much does it cost to repair the P1468 code?
Repair costs can vary but typically range between $150 and $500, depending on the exact issue and labor rates in your area.
8. Can a loose gas cap cause the P1468 code?
A loose gas cap is unlikely to cause this specific code but can contribute to other EVAP-related issues. Check and tighten the gas cap as a precaution.
9. Does the P1468 code affect emissions testing?
Yes, the P1468 code indicates an EVAP system issue, which can cause your Cadillac to fail an emissions test.
10. How can I prevent the P1468 code from recurring?
Regularly inspect the EVAP system components, ensure a tight gas cap, and address any vacuum leaks or wiring issues promptly.
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