C1203 Diagnostic Trouble Code Discussion for June 2010
ecm communication circuit malfunction
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| Help Request | Posted | |
| 2007 Toyota Prius 1.5L No Start, MIL Lamp on VIN: JTDKB2OU17 C1203: communication circuit malfunction. On start up engine will run for 5 to 10 seconds then cuts fuel and stalls after code sets, poaof in hv ecu. ICE can be kept running by adding fuel through throttle body. Car is from a body shop after being hit in the front end. |
June 09, 2010 |
