DTC P1455: FUEL TANK SENDING UNIT OPEN OR SHORT Kia Sephia I рестайлинг

Fuel tank sending unit open or short code may be set by

1. Fuel tank sending unit malfunction.
2. Open or short circuit between fuel tank sending unit connector terminal No. 4 and PCM connector C249 terminal No. 7.
3. Open or short circuit between fuel tank sending unit connector terminal No. 5 and PCM connector C254 terminal No. 8.

1. Check PCM and fuel tank sending unit connectors. Repair as needed. Go to next step.
2. Check continuity between fuel tank sending unit connector terminal No. 4 and PCM connector C249 terminal No. 7. If continuity exists, go to next step. If continuity does not exist, repair or replace wiring.
3. Check continuity between fuel tank sending unit connector terminal No. 5 and PCM connector C254 terminal No. 8. If continuity exists, go to next step. If continuity does not exist, repair or replace wiring.
4. Check resistance of fuel tank sending unit. Resistance is 0-5 ohms full, to 110-115 ohms empty. If resistance is okay, go to next step. If resistance is wrong, replace fuel tank sending unit.
5. Clear code. Test drive vehicle and recheck for codes. If code returns, replace PCM. If code does not return, problem is intermittent.