Discussion:
ERROR CODE 356

I need help with this one. Turn key switch on , no codes. Step on foot switches the ED1 contactor pulls in 1 second later the contactor drops out with a 356 code. Fuses are good and have been replaced, just in case. ED1 contactor has been replaced. wiring checks good. The # 3 &4 access have been replaced with known good ones. Infopoint book stops there.Please give me some answers.
  • Posted 12 Jul 2023 14:51
  • By James_Patrick
  • joined 12 Jul'23 - 3 messages
  • Arkansas, United States
patrick
Showing items 1 - 3 of 3 results.
Check the voltage at the access 3 to insure it is the same as the battery voltage. If it is less the might be a voltage drop across the new contactor. This can mean the contactor tips are bad or not making a proper connection
  • Posted 13 Jul 2023 21:01
  • By DyslexicNerd_01
  • joined 13 Jun'23 - 219 messages
  • Wisconsin, United States
hello @tommy, thank you for the help. I'd already flipped the ed1 coil diode but it still fails, ED switch is in good condition also. I'll already encountered this fault many times and the traction battery was the main cause, but now battery is in good condition and all other parts that may trigger this fault was already checked. Maybe I still missed something.
  • Posted 13 Jul 2023 20:21
  • By James_Patrick
  • joined 12 Jul'23 - 3 messages
  • Arkansas, United States
patrick
Try flipping the Ed coil diode. This I'd the cables they goes out of the contractor and back in. Most likely when the contactor was replaced this was installed backwards.
If all else fails try to replace the emergency disconnect switch with known good switch.
  • Posted 13 Jul 2023 02:10
  • Modified 13 Jul 2023 02:14 by poster
  • By DyslexicNerd_01
  • joined 13 Jun'23 - 219 messages
  • Wisconsin, United States

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