2015 Acura TLX Base, 2.4L EngFACTORY OEM SERVICE PROCEDURE

Starting System Symptom Troubleshooting Index

Symptom  Diagnostic procedure  Also check for 
Engine does not crank Starter system circuit troubleshooting - Refer to: Starter System Circuit Troubleshooting (With Auto Idle Stop System),  or Starter System Circuit Troubleshooting (Without Auto Idle Stop System) . Seized engine
Engine cranks, but does not start
  1. Check for PGM-FI DTCs - Refer to: How to Troubleshoot the Fuel and Emissions Systems (L4), or How to Troubleshoot the Dual Clutch Transmission (DCT), or How to Troubleshoot the Brake Booster Pressure Monitoring System (With Auto Idle Stop System), or How to Troubleshoot the Fuel and Emissions Systems (V6, Without Auto Idle Stop System), or How to Troubleshoot the Fuel and Emissions Systems (V6, With Auto Idle Stop System) .
  2. Check the PGM-FI main relays - Refer to: Power Relay Test (Without SH-AWD) (2015-17), or Power Relay Test (With SH-AWD) (2015-17), or Power Relay Test (2018-19) .
  3. Check for keyless access system symptom troubleshooting information .
  4. Check the fuel pressure .
  5. Check for a plugged or damaged fuel line - Refer to: Fuel Line Inspection (L4), or Fuel Line Inspection (V6, Without SH-AWD), or Fuel Line Inspection (V6, With SH-AWD) .
  6. Check for a plugged fuel filter - Refer to: Fuel Tank Unit Disassembly and Reassembly (With SH-AWD), or Fuel Tank Unit Disassembly and Reassembly (Without SH-AWD) .
  7. Check the throttle body .
  8. Check for low engine compression - Refer to: Engine Compression Inspection (V6), or Engine Compression Inspection (L4) .
  9. Check the camshaft timing - Refer to: Camshaft Timing Inspection (V6), or Camshaft Timing Inspection (L4) .
  10. Do the PCM reset in the PGM-FI System to cancel ALL INJECTORS STOP with the HDS.
  • Fuel level in tank
  • Weak or fouled spark plugs
Engine is hard to start Do the symptom troubleshooting for Engine will not start, engine starts but stalls immediately, or engine is hard to start - Refer to: Fuel and Emissions Systems Symptom Troubleshooting - Engine will not start, engine starts but stalls immediately, or engine is hard to start (V6), or Fuel and Emissions Systems Symptom Troubleshooting - Engine stalls (V6), or Fuel and Emissions Systems Symptom Troubleshooting - Engine stalls (L4) . Weak or fouled spark plugs
Engine cranks slowly
  1. Check for loose battery terminals or connections.
  2. Test the battery for a low state of charge - Refer to: 12 Volt Battery Test (Without SH-AWD), or 12 Volt Battery Test (With SH-AWD) .
  3. Check the starter for binding - Refer to: Starter Overhaul (V6), or Starter Overhaul (L4) .
  4. Check for excessive drag in the engine.
  
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.