P2195 on RAM 1500 TRX
Factory diagnostic protocol and troubleshooting wire for fault code P2195 specifically for the RAM 1500 TRX (2021–2024, 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2)).
1. Symptoms of P2195 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 P2195, drivers commonly observe:
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:
3. Step-by-Step DIY Repair Guide for RAM 1500 TRX
Check exhaust manifold near Bank 1 Sensor 1 for cracks or blown gaskets sucking in fresh air. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Check B1S1 AFR sensor output. On Toyota/Lexus, 3.3V is stoichiometric; a sensor stuck at 4.0V+ indicates lean bias. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Briefly spray unlit propane into intake. If sensor voltage does not quickly drop rich, the sensor element is poisoned. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Install a new genuine OEM Denso / Bosch upstream A/F sensor. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Clear DTCs, reset ECU learned trims, and road test. on the RAM 1500 TRX equipped with 6.2L Supercharged HEMI V8 (702HP / 650 lb-ft / Bilstein Black Hawk e2).
Equipment for Diagnosing RAM 1500 TRX (P2195)
RAM 1500 TRX OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for RAM 1500 TRX.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
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 P2195 FAQs
What causes code P2195 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)), P2195 is most frequently caused by Contaminated or failing upstream Air-Fuel Ratio (AFR) / O2 sensor or Exhaust manifold crack or gasket leak before the sensor.
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 P2195?
Caution. ECU may over-enrich fuel mixture trying to compensate for a falsely reported lean signal. Given that P2195 carries a High severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

