P278E
Kick Down Switch Circuit Intermittent/Erratic
P278E is an OBD-II diagnostic trouble code meaning: Kick Down Switch Circuit Intermittent/Erratic. Common causes: faulty kickdown switch, open or short circuit in the circuit. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting during sudden acceleration
- Delayed response to the gas pedal
- Check Engine Light Is On
- The car does not downshift during kickdown
Causes
- Faulty kickdown switch
- Open or short circuit in the circuit
- Poor contact in connectors
- Wiring harness damage
- Transmission ECU problems
How to Fix
- Check the condition of the kickdown switch
- Inspect the chain for damage
- Check contacts in connectors
- Test circuit resistance
- If necessary, replace the kickdown switch
Related codes
Error P278E by Vehicle Brand
FAQ
What does the P278E code mean?
P278E is an OBD-II diagnostic trouble code that indicates: Kick Down Switch Circuit Intermittent/Erratic
What causes a P278E error code?
The most common causes of P278E include: Faulty kickdown switch; Open or short circuit in the circuit; Poor contact in connectors; Wiring harness damage.
How do I fix a P278E diagnostic trouble code?
To fix P278E: Check the condition of the kickdown switch. Inspect the chain for damage. Check contacts in connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P278E?
Limited driving only, diagnose soon
How much does it cost to fix P278E?
The estimated repair cost for P278E is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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