The "distance-to-empty" (range) calculation on your trip computer will display dashes ( --- ) or highly inaccurate numbers. Direct Comparison: DF455 vs. P0460
: The error can sometimes reside in the dashboard's software or electronics. Parts Geek or more details on clearing this code
Pinpointing why the DF455 error surfaces involves analyzing three core failure vectors: electrical infrastructure, physical fuel components, or custom software modifications.
The symptoms of a DF455 fault code can vary in severity, but here are the most common indicators to watch out for: renault df455
These are average estimates; actual costs vary by country, labor rates, and model year.
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Fixing a DF455 error requires a systematic elimination process using a multimeter and a Renault-compatible diagnostic tool, such as Renault CLIP or a stable OBD-II reader. Step 1: Scan and Clear the Memory Parts Geek or more details on clearing this
Check the SIG RTN circuit for opens or shorts to the PCM (Power Control Module). 4. Pro Diagnostic Tips Operating faults - user manual - Renault Group
The sensor inside the tank is worn out, dirty, or sending incorrect resistance values.
: The dashboard fuel gauge needle may suddenly drop to empty or fluctuate wildly. Step 1: Scan and Clear the Memory Check
✅ if DF455 appears with DF100.
Modern Renault vehicles use an integrated Controller Area Network (CAN-bus) system. The ECU continuously cross-references fuel consumption models with the physical electrical data sent from the fuel tank sending unit.
Should read a high resistance value (typically around If the multimeter reads infinity ( ∞infinity ) or zero (
When a Renault stores the DF455 code, you may experience one or more of the following symptoms:
: Some users report this error appearing on modified or "remapped" engines where the ECU software does not correctly interpret sensor data. Related Issues
