Cewka zapłonowa A — obwód pierwotny/wtórny
P2310
WysokiIgnition Coil 'D' Primary Control Circuit Error – Signal Too High. The PCM detected incorrect voltage in the primary circuit of cylinder D ignition coil.
OBD-II (EN): Ignition Coil 'D' Primary Circuit High
Code P2310 means a voltage that is too high was detected in the primary control circuit of ignition coil 'D'. The cause may be a faulty coil, wiring problem, or PCM module fault. Due to the risk of serious engine damage, prompt workshop diagnosis is recommended.
Symptoms
Engine runs rough or shows noticeable vibrations; loss of power and acceleration; increased fuel consumption; difficulty starting the engine; visible jerking while driving; possible flashing check engine light (MIL); in extreme cases, the engine may not start at all.
Possible causes
• Faulty or burnt ignition coil for cylinder D • Open or short circuit in the coil primary circuit wiring harness • Damaged or corroded ignition coil electrical connector • Powertrain Control Module (PCM/ECM) fault • Faulty control transistor in the ignition circuit (driver inside PCM) • Voltage overload causing damage to the control circuit
Affected systems
Related codes
Niski poziom sygnału w obwodzie pierwotnym cewki zapłonowej 'A'. Sterownik silnika wykrył nieprawidłowe napięcie w obwodzie sterowania cewką zapłonową cylindra A.
Nieprawidłowe napięcie w obwodzie wtórnym cewki zapłonowej B. PCM wykrywa odchylenia napięcia w obwodzie wtórnym cewki zapłonowej cylindra B.
Does code P2310 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.
