P0046

Turbo/supercharger boost control solenoid – circuit range/performance

Replacement wiring loom repair kit is available from Landrover for the 2/4 Defender TDCi, Part number LR020663 (press part number for PDF info) as this is a known problem.

P0046-11

Turbocharger/Supercharger Boost Control A Circuit Range/Performance – Circuit short to ground

Actuator-vane variable geometry turbocharger control circuit short to ground Short circuit to ground between (VNT_Neg) and (VNT_Pos)

P0046-12

Turbocharger/Supercharger Boost Control A Circuit Range/Performance – Circuit short to battery

Actuator-vane variable geometry turbocharger control circuit short to power Short circuit to power between (VNT_Neg) and (VNT_Pos)

P0046-1A

Turbocharger/Supercharger Boost Control A Circuit Range/Performance – Circuit resistance below threshold

Actuator-vane variable geometry turbocharger control circuit low resistance, short circuit Short circuit between (VNT_Neg) or (VNT_Pos) and another circuit

P0046-1B

Turbocharger/Supercharger Boost Control A Circuit Range/Performance – Circuit resistance above threshold

Actuator-vane variable geometry turbocharger control circuit high resistance, open circuit Open circuit between (VNT_Neg) or (VNT_Pos)