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P0202RAMRAM 1500 TRX HubAll RAM P0202Critical Severity

P0202 on RAM 1500 TRX

Injector Circuit Malfunction - Cylinder 2

Factory diagnostic protocol and troubleshooting wire for fault code P0202 specifically for the RAM 1500 TRX (2021–2024, 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)).

Verified OEM Telemetry & Field Repair Tree
RAM 1500 TRX2021–2024
RAM 1500 TRX
Truck6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
1500 TRX 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 RAM Model:
Diagnose P0202 on Specific 1500 TRX Model Year:

1. Symptoms of P0202 on RAM 1500 TRX

When the Engine Control Module (ECM/PCM) on your RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)) logs fault code P0202, drivers commonly observe:

Check Engine Light flashing on RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2))
Violent engine vibration under load on RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2))
Stumbling idle and severe power drop on RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2))
Accompanying code P0302 on RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2))
RAM 1500 TRX OBD-II Port Location
The 16-pin diagnostic connector is located Driver lower dash assembly next to hood release lever. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on RAM 1500 TRX

Historical warranty claims and technical repair bulletins for RAM 1500 TRX point to the following failure distribution:

55%
Cylinder 2 fuel injector internal coil failure (RAM OEM Part)
25%
Broken wiring or corroded connector pin on Cylinder 2 harness (RAM OEM Part)
12%
Blown injector power feed fuse (RAM OEM Part)
8%
PCM injector driver circuit failure (RAM OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for RAM 1500 TRX.

3. Step-by-Step DIY Repair Guide for RAM 1500 TRX

01
Measure Cylinder 2 Injector Resistance

Measure resistance across injector 2 terminals. Compare to Cylinder 1 and 3 (spec: 12–16 ohms). on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).

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 RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).

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 RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).

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 RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).

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

Equipment for Diagnosing RAM 1500 TRX (P0202)

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Direct-Fit Replacement Part

RAM 1500 TRX OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for RAM 1500 TRX.

$45 – $95 Prime
Check Fitment on Amazon
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.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

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

Compare OEM & Aftermarket Replacement Sensors for RAM 1500 TRXVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on RAM 1500 TRX

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the RAM 1500 TRX:

4. RAM 1500 TRX P0202 FAQs

What causes code P0202 to trigger on a RAM 1500 TRX?

On the RAM 1500 TRX (6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)), 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 RAM 1500 TRX?

On the RAM 1500 TRX, the 16-pin DLC diagnostic connector is located Driver lower dash assembly next to hood release lever. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my RAM 1500 TRX 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.