P1545
Throttle Position Control Malfunction
P1545 is an OBD-II diagnostic trouble code meaning: Throttle Position Control Malfunction. Common causes: throttle position sensor (tps) malfunction, problems with wiring to the tps sensor. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation at idle
- Loss of engine power
- Jerks when accelerating
- Check Engine light comes on
- The engine goes into emergency mode
Causes
- Throttle Position Sensor (TPS) malfunction
- Problems with wiring to the TPS sensor
- Mechanical damage to the throttle valve
- Throttle valve contamination
- Malfunction of the electronic control unit (ECU)
How to Fix
- Check the condition of the throttle valve and clean if necessary
- Check the throttle position sensor (TPS) and its wiring.
- Check resistance and voltage at TPS sensor
- If necessary, replace the TPS sensor
- Check and, if necessary, replace the throttle valve
Related codes
Error P1545 by Vehicle Brand
FAQ
What does the P1545 code mean?
P1545 is an OBD-II diagnostic trouble code that indicates: Throttle Position Control Malfunction
What causes a P1545 error code?
The most common causes of P1545 include: Throttle Position Sensor (TPS) malfunction; Problems with wiring to the TPS sensor; Mechanical damage to the throttle valve; Throttle valve contamination.
How do I fix a P1545 diagnostic trouble code?
To fix P1545: Check the condition of the throttle valve and clean if necessary. Check the throttle position sensor (TPS) and its wiring.. Check resistance and voltage at TPS sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1545?
Limited driving only, diagnose soon
How much does it cost to fix P1545?
The estimated repair cost for P1545 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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