What are common symptoms of OBDII code P0351 (Ignition Coil 1 Control Circuit)? - Common symptoms include engine misfires, rough idling, lack of power, and illuminated check engine light.

Detailed information on troubleshooting and repairing a P0351 DTC code which refers to a circuit malfunction in the ignition coil A. Also includes links to relevant forum topics on the code.

Dec 2, 2025 · Learn what the P0351 ignition coil “A” code means, its symptoms, and how to diagnose and fix it. See common causes and repair tips to solve P0351 fast.

Jul 15, 2025 · Diagnostic trouble codes offer clues to pinpoint problems and code P0351 indicates an ignition system malfunction that impedes starting or operation. Let’s explore what a P0351 …

Here’s what the P0351 code means, what causes it, how you fix it, and the answers to some related FAQs.

What Does the P0351 Code Mean? The P0351 code indicates that the powertrain control module (PCM) detects an issue with the cylinder #1 ignition coil or its circuit.

Typical signs: misfire on cylinder 1, rough idle, loss of power, check‑engine light. Primary culprits: open/shorted primary circuit, faulty ECM/PCM output driver, damaged wiring or connector. …

Code P0351 indicates there's an electrical problem in either the primary ( the computer side ) or the secondary ( the spark plug side ) of the Ignition Coil "A" Circuit.

Dec 4, 2024 · The P0351 is an OBD-II Trouble Code that stands for “Ignition Coil” A” Primary/Secondary Circuit Malfunction and is triggered when the ignition coil on cylinder #1 is …

Sep 16, 2025 · Learn all about the P0351 code, what causes issues in the ignition coil 'A' circuit, and how to diagnose and fix common problems to maintain optimal engine performance.