P157F
Idle Throttle Valve Actuator 2 Open Circuit
P157F is an OBD-II diagnostic trouble code meaning: Idle Throttle Valve Actuator 2 Open Circuit. Common causes: broken wiring to the actuator, malfunction of the second throttle actuator. Estimated repair cost: $28–89.
Symptoms
- Unstable idle speed
- Floating engine speed at idle
- Check Engine Light Illuminates
- High or low idle speed
- Possible difficulty starting the engine
Causes
- Broken wiring to the actuator
- Malfunction of the second throttle actuator
- Poor contact in the mechanism connector
- Damage to the wiring harness in the engine compartment
- Engine control unit malfunction
How to Fix
- Check the integrity of the wiring to the actuator
- Check the resistance and operation of the second actuator
- Inspect connectors and contacts for oxidation or damage
- Check the voltage at the mechanism connector
- If necessary, replace the actuator or repair the wiring
Related codes
FAQ
What does the P157F code mean?
P157F is an OBD-II diagnostic trouble code that indicates: Idle Throttle Valve Actuator 2 Open Circuit
What causes a P157F error code?
The most common causes of P157F include: Broken wiring to the actuator; Malfunction of the second throttle actuator; Poor contact in the mechanism connector; Damage to the wiring harness in the engine compartment.
How do I fix a P157F diagnostic trouble code?
To fix P157F: Check the integrity of the wiring to the actuator. Check the resistance and operation of the second actuator. Inspect connectors and contacts for oxidation or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P157F?
Yes, but get it checked soon
How much does it cost to fix P157F?
The estimated repair cost for P157F is $28–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat