Note: Allpar does not take responsibility for the veracity of any information or opinions here, does not claim expertise, and is not responsible for any consequences. Please proceed at your own risk.

Cars by name
Trucks and Jeeps

Engines / Trans
Repairs / Fixes
Tests and Reviews


2018 Wrangler JL: first test

The B engines

Surprise test: Hyundai Elantra vs Dodge Dart

Chrysler Fault Code 33: A/C relay open or shorted

Code 33 only applies to cars with factory air conditioning; it is set when the A/C cut-out relay circuit is open or shorted. The power limited light will not be lit and the system will not enter limp mode. 

Possible reasons and fixes for fault code 33

Poor wiring or connection - Read the page How to troubleshoot drivability issues. Check the wiring and connections from the logic module to and the relay. Clean and re-grease the connectors with dielectric grease.

Defective relay – With the relay disconnect, apply 12vdc across the relay coil terminals and listen for a click. The terminals would be connected to the dark blue wire on the single connector and the dark blue wire with orange stripe on the three terminal connector.  When it clicks the there should be continuity between the remaining two terminals.

Sensors, Switches, and Other Systems | Main Repairs Page | EEKs


Jeep to try again Down Under

Back to the Chrysler 100

Kidde fire-extinguisher recall and Ram RVs

More Mopar Car
and Truck News