Mot 1654 Renault -

Date: October 2023 Reading time: 6 minutes

A: Yes. DF054 is the same code in Renault’s older 4-digit systems. MOT 1654 is the CLIP tool’s display format. mot 1654 renault

A: You can reset with an OBD scanner, but the fault returns as soon as the ECU detects the boost deviation again – usually within 10–50 miles. Date: October 2023 Reading time: 6 minutes A: Yes

A second mechanic found a cracked vacuum hose near the brake servo. The tiny leak (3mm split) was causing the turbo actuator to see only 0.3 bar instead of 0.8 bar. The ECU, seeing sluggish vane movement, logged overboost when the system finally caught up. A: You can reset with an OBD scanner,

This article breaks down what code 1654 means, which Renault engines it affects, the common symptoms, diagnostic steps, and permanent fixes. After cross-referencing Renault’s technical bulletins and owner forums, MOT 1654 typically refers to a Turbocharger Pressure Regulation Fault — more precisely, a deviation between the requested boost pressure and the actual measured boost pressure (often a positive deviation or overboost).

In plain English: The engine’s ECU (Engine Control Unit) commands a certain amount of boost from the turbocharger, but the sensors report that the system is producing too much pressure for too long.