P0748

P0748 OBD Code Definition:
P0748 Pressure Control Solenoid A Circuit System Fault
P0748 OBD Code Description:

OBD Code P0748

Pressure Control Solenoid “A” Electrical

What’s mean?

OBD2 Code P0748 Definition:
The line pressure solenoid valve A regulates the oil pump discharge pressure to suit the driving condition in response to a signal sent from the Transmission Control Module (TCM).

Symptoms

Possible sumptoms of P0748
– Engine Light ON (or Service Engine Soon Warning Light) – Transmission shift shock

Possible Causes

Possible causes of P0748
– Faulty line pressure solenoid valve A – Line pressure solenoid valve A harness or connectors – Line pressure solenoid valve A circuit is open or shorted – Low transmission fluid level – Dirty transmission fluid The Error code is generally activated on detection of the following conditions: Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit

Possible Solutions

One thought on “P0748

  1. Passemard

    Bonjour j ai Mercedes g300td w463 1998 boîte auto
    Code défaut 006. 102
    Changer bloc hydraulique complet plus prise plus relais transfo sortie boîte plus levier vitesse
    Contacteur sous pédale frein
    Relais k 40
    Contrôlé câble entre boîte et egs
    Egs contrôlé en Allemagne par entreprise
    J arrive à enlever les code défaut avec valise et au moment met contact démarrage il revienne
    Je ne sais plus quoi changé
    Batterie ok
    Huile bien

    Reply

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