Chrysler 24 Throttle Position Sensor Circuit
How to read it
Code 24 reads as 2 flashes, pause, 4 flashes on the check-engine light. Cycle the ignition key on, off, on, off, then leave it on with the engine off, and count the flashes on the power loss or check-engine light.
New to flash codes? The How to Read Chrysler OBD-I Codes with the Key Cycle walks through the test and what the numbers mean. The general OBD-I guide covers the rest.
What does Chrysler code 24 mean?
Throttle Position Sensor Circuit
Common causes of 24
- Open or shorted throttle position sensor signal wire
- Missing 5 volt reference to the sensor
- Failed throttle position sensor across the sweep
- Misadjusted sensor reading out of range at closed throttle
How to fix 24
- Read TPS voltage at closed and wide open throttle on a scan tool
- Backprobe the sensor for 5 volt reference and ground
- Sweep the throttle slowly and watch for dropouts or spikes
- Check the throttle linkage for binding holding voltage high
- Adjust or replace the sensor only after reference and ground test good
- Clear the code and retest
Sources and review
Review: qualified. Read the source limits below.
- Chrysler OBD-I trouble codes, model and year page
live reference page (troublecodes.net)
Supports: code identity and Chrysler meaning
Fetched directly from the linked model page. Single publisher, so the record is qualified, not verified. Causes and check order are curator-written from the circuit the code names.
- Chrysler OBD-I trouble codes, model and year page
live reference page (troublecodes.net)
Supports: code identity and Chrysler meaning
Fetched directly from the linked model page. Single publisher, so the record is qualified, not verified. Causes and check order are curator-written from the circuit the code names.
Last updated 2026-10-10.
Report a correction for 24. Include your vehicle, the issue and a source if you have one.