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P0202AcuraAcura TLX HubAll Acura P0202Critical Severity

P0202 on Acura TLX

Injector Circuit Malfunction - Cylinder 2

Factory diagnostic protocol and troubleshooting wire for fault code P0202 specifically for the Acura TLX (2021–2026, 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)).

Verified OEM Telemetry & Field Repair Tree
Acura TLX2021–2026
Acura TLX
Sedan2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
TLX SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Not Recommended
Critical urgency level
Est. Repair Cost
$150 - $550 (DIY: $40 - $180)
Parts & Labor DIY
Check P0202 On Another Acura Model:
Diagnose P0202 on Specific TLX Model Year:

1. Symptoms of P0202 on Acura TLX

When the Engine Control Module (ECM/PCM) on your Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)) logs fault code P0202, drivers commonly observe:

Check Engine Light flashing on Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD))
Violent engine vibration under load on Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD))
Stumbling idle and severe power drop on Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD))
Accompanying code P0302 on Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD))
Acura TLX OBD-II Port Location
The 16-pin diagnostic connector is located Driver footwell below steering column. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Acura TLX

Historical warranty claims and technical repair bulletins for Acura TLX point to the following failure distribution:

55%
Cylinder 2 fuel injector internal coil failure (Acura OEM Part)
25%
Broken wiring or corroded connector pin on Cylinder 2 harness (Acura OEM Part)
12%
Blown injector power feed fuse (Acura OEM Part)
8%
PCM injector driver circuit failure (Acura OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Acura TLX.

3. Step-by-Step DIY Repair Guide for Acura TLX

01
Measure Cylinder 2 Injector Resistance

Measure resistance across injector 2 terminals. Compare to Cylinder 1 and 3 (spec: 12–16 ohms). on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).

Required Tool: Digital Multimeter
02
Test for 12V Power and Ground Pulse

Check for 12V on power wire and verify ground pulsing using a noid light while cranking. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).

Required Tool: Noid Light, Multimeter
03
Replace Cylinder 2 Fuel Injector

Depressurize fuel system, lift rail, swap injector, lube new O-rings, and reinstall rail. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).

Required Tool: Socket Set, Fuel Line Disconnect Tool
04
Clear Codes and Verify Smooth Running

Clear DTC memory and monitor misfire counters on live data. on the Acura TLX equipped with 2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Acura TLX (P0202)

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Acura TLX OEM Replacement Sensor

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Direct-fit replacement assembly engineered to OEM tolerances for Acura TLX.

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Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

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BlueDriver Bluetooth Pro OBDII Scan Tool

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Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

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Other Common Fault Codes on Acura TLX

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Acura TLX:

4. Acura TLX P0202 FAQs

What causes code P0202 to trigger on a Acura TLX?

On the Acura TLX (2.0L Turbo (272HP) / Type S 3.0L Turbo V6 (355HP SH-AWD)), P0202 is most frequently caused by Cylinder 2 fuel injector internal coil failure or Broken wiring or corroded connector pin on Cylinder 2 harness.

Where is the OBD-II port located on my Acura TLX?

On the Acura TLX, the 16-pin DLC diagnostic connector is located Driver footwell below steering column. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Acura TLX with code P0202?

No. Cylinder 2 is completely disabled by an electrical circuit fault, causing hard misfires. Given that P0202 carries a Critical severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.