Chrysler 23 Charge Temperature Sensor Circuit
How to read it
Code 23 reads as 2 flashes, pause, 3 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 23 mean?
Charge Temperature Sensor Circuit
Common causes of 23
- Failed charge temperature sensor in the intake
- Open or shorted sensor signal wire
- Corroded or unplugged sensor connector
- Sensor reading far off actual intake air temperature
How to fix 23
- Compare scan tool charge air temperature to actual ambient temperature
- Inspect the sensor connector and wiring for opens and corrosion
- Measure sensor resistance against the factory temperature chart
- Repair the open or shorted circuit before replacing the sensor
- Replace the sensor only if resistance is out of range
- Clear the code and retest with the engine warmed up
Source
Qualified source review
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.
https://www.troublecodes.net/chrysler/84-95tbi/
- 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.
https://www.troublecodes.net/chrysler/85-95_22-25/
Last updated 2026-10-10.
Report a correction for 23. Include your vehicle, the issue and a source if you have one.
