Toyota C2303: Short in Power Source Relay Circuit
Is your scanner showing Toyota C2303?
No worries. We'll show you what it means and how to deal with it.
Toyota C2303: Short in Power Source Relay CircuitOVERVIEW
What Does The Toyota C2303 Code Mean?
When the integration relay is off, voltage of transmission control ECU terminal MUA, MVA and MWA are 6 V or more for 0.064 seconds or more.
What Are The Potential Causes Of The Toyota C2303 Code?
- Transmission control ECU assembly
- Integration relay
- Wire harness or connector
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
- 2010 Toyota Prius Repair Manual for C2303 – Pages 104-107.
- Electronic Shift Lever System Repair Information for C2303 – Pages 36-38.