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DTC codes / Chrysler codes / P1350

P1350 · ChryslerIgnition Control System

P1350 on Chrysler vehicles indicates that the powertrain control module (PCM) has detected a fault within the ignition control system, which manages spark timing and coil operation. The PCM monitors the ignition coil circuits and related sensors, and when the expected electrical response is missing or out of range, it stores this code and may illuminate the check engine light.

SystemPowertrain
Code typeChrysler specific
SeverityMedium
Fix difficultyIntermediate
AreaIgnition system and misfire

Symptoms you may notice

  • Check engine light illuminated, often with no other noticeable symptoms
  • Engine misfire or rough running, especially under load or acceleration
  • Reduced engine power or limp mode in some cases
  • Hard starting or intermittent no-start condition
  • Poor fuel economy or increased emissions
  • Audible ticking or arcing noise from the ignition coil area

Common causes, most likely first

  1. Faulty ignition coil or coil pack
  2. Worn or damaged spark plugs and spark plug wires
  3. Corroded or loose electrical connectors at the coil or PCM
  4. Damaged wiring harness in the ignition circuit (open, short, or high resistance)
  5. Failed crankshaft position sensor or camshaft position sensor
  6. PCM internal fault affecting ignition control output
  7. Poor engine ground connection affecting ignition system operation

How to diagnose and fix it

  1. Scan all modules for stored codes and freeze-frame data to confirm P1350 is the primary fault
  2. Inspect ignition coil connectors, spark plug wires, and spark plugs for visible damage or corrosion
  3. Test the ignition coil primary and secondary resistance with a multimeter and compare to factory specifications
  4. Check for spark at each cylinder using an inline spark tester to isolate the affected circuit
  5. Perform a wiggle test on the ignition circuit wiring while monitoring coil operation to detect intermittent faults
  6. Verify crankshaft and camshaft position sensor signals with an oscilloscope or scan tool live data
  7. If all electrical checks pass, suspect the PCM and perform pinpoint tests before replacement

Ignition control faults that fool many technicians

  • A failing crankshaft position sensor can set P1350 without any misfire code because the PCM loses the timing reference needed for ignition control.
  • Corrosion inside the coil connector pins often causes intermittent P1350 that does not appear during a simple resistance check.
  • Aftermarket ignition coils with incorrect resistance can trigger P1350 even though they are new, so always compare to OEM specifications.
  • A weak engine ground strap can cause voltage drops that mimic a failed coil or PCM, leading to unnecessary parts replacement.
  • P1350 can be stored alongside misfire codes, but the ignition control fault may be the root cause rather than a separate issue.

Can I keep driving with P1350?

If the engine runs smoothly and the light is steady, you can drive short distances to a repair shop, but avoid heavy acceleration or towing. If the engine misfires, stalls, or the light flashes, stop driving and have the vehicle towed to prevent catalytic converter damage.

Tools that help

Tools we recommend are in the Auto Veteran shop on Amazon. As an Amazon Associate we earn from qualifying purchases.

Guidance is general and written for Chrysler vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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