Member Since: 20 Sep 2010
Location: pembrokeshire, wales
Posts: 91
P0528 - Fan speed sensor circuit no signal (permanent)
Just a quick one, had the above error popping up every time I plug my nanocom in. I’ve searched on here without much luck. Is there an actual speed sensor on the fan? Or it is a spurious error because the sensor doesn’t exist?
Would like to bottom this one out
8th Jun 2019 4:40 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6266
form workshop man
P052800
Fan Speed Sensor Circuit No Signal - No sub type information
Connector is disconnected, connector pin is backed out, connector pin corrosion Engine cooling fan stalling caused by obstruction in fan cowling Engine cooling fan circuit short circuit to ground, short circuit to power, open circuit, high resistance Engine cooling fan failure
Inspect connectors for signs of water ingress, and pins for damage and/or corrosion Check for damage to or blockages in fan and fouling of fan cowling. Rectify as required Refer to the electrical circuit diagrams and check engine cooling fan circuit for short circuit to ground, short circuit to power, open circuit, high resistance Check and install new engine cooling fan as required Clear the DTC and retest
P052800
Fan Speed Sensor Circuit No Signal - No sub type information
NOTE: - Circuit CFM Harness fault - cooling fan monitor circuit
Using the manufacturer approved diagnostic system check datalogger signals, Fan Speed Indicated (0x0702). This DTC is set when the engine control module does not receive a signal on the cooling fan monitor circuit. Check the cooling fan monitor signal input circuit for open circuits, short circuit to power, short circuit to ground or other circuits. Repair wiring harness as required. Clear DTC and retest
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