P1320 Code - Ignition Signal
Quick Answer
The ignition signal from the Engine Control Module (ECM) is sent to and amplified by the power transistor. Common causes include Faulty power transistor unit built into ignition coil, Ignition primary circuit is open or shorted (circuit to ignition coils), Ignition primary circuit poor electrical connection (circuit to ignition coils). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1320 indicates Ignition Signal.
- Common causes
- Common causes include Faulty power transistor unit built into ignition coil, Ignition primary circuit is open or shorted (circuit to ignition coils), Ignition primary circuit poor electrical connection (circuit to ignition coils).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1320 Description
What are the Possible Causes of the DTC P1320?
- Faulty power transistor unit built into ignition coil
- Ignition primary circuit is open or shorted (circuit to ignition coils)
- Ignition primary circuit poor electrical connection (circuit to ignition coils)
- Faulty ignition system condenser
- Crankshaft position sensor circuit
How to Fix the DTC P1320?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1320 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- P1320 Acura — Super Knock
- P1320 Audi — Knock Sensor 2 Circuit Short To Ground
- P1320 Buick — IC Module 4X Reference Circuit Intermittent No Pulses
- P1320 Cadillac — IC Module 4X Reference Circuit Intermittent No Pulses
- P1320 Chevrolet — IC Module 4X Reference Circuit Intermittent No Pulses
- P1320 GMC — IC Module 4X Reference Circuit Intermittent No Pulses
- P1320 Honda — Super Knock
- P1320 Hyundai — Ignition Coil 4
- P1320 Infiniti — Ignition Signal
- P1320 Lexus — Igniter Circuit Malfunction No. 5
- P1320 Mitsubishi — Ignition Timing Retard Insufficient
- P1320 Nissan — Ignition Signal
- P1320 Saab — Ignition Coils Bank 2
- P1320 Suzuki — Crankshaft Segment Malfunction
- P1320 Toyota — Igniter Circuit Malfunction No. 5
- P1320 Volkswagen — Knock Sensor 2 Circuit Short To Ground
Frequently Asked Questions about P1320 Code
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