P1907
Kickdown Hold Relay Open or Short Circuit to Ground
P1907 is an OBD-II diagnostic trouble code meaning: Kickdown Hold Relay Open or Short Circuit to Ground. Common causes: open circuit in the kickdown relay circuit, short circuit to ground. Estimated repair cost: $6–28.
Symptoms
- No kickdown mode when the gas pedal is fully pressed
- Reduced acceleration dynamics
- Check Engine Light Illuminates
- Possible problems with gear shifting
- Car does not downshift when accelerating hard
Causes
- Open circuit in the kickdown relay circuit
- Short circuit to ground
- Faulty kickdown relay
- Wiring Harness Problems
- Transmission control unit malfunction
How to Fix
- Check the condition of the kickdown relay
- Check the integrity of wiring and connections
- Measure the resistance of the relay circuit
- Check for short circuit to ground
- If necessary, replace the relay or repair the wiring
Related codes
FAQ
What does the P1907 code mean?
P1907 is an OBD-II diagnostic trouble code that indicates: Kickdown Hold Relay Open or Short Circuit to Ground
What causes a P1907 error code?
The most common causes of P1907 include: Open circuit in the kickdown relay circuit; Short circuit to ground; Faulty kickdown relay; Wiring Harness Problems.
How do I fix a P1907 diagnostic trouble code?
To fix P1907: Check the condition of the kickdown relay. Check the integrity of wiring and connections. Measure the resistance of the relay circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1907?
Limited driving only, diagnose soon
How much does it cost to fix P1907?
The estimated repair cost for P1907 is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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