P2352

Code

Generic P — Powertrain

Cylinder 10 Pressure Sensor Circuit

Brand: Generic

Type: P — Powertrain

Views: UK: 20 EN: 30 RU: 19

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Causes

Open or short in the sensor wiring (power, signal or ground)
Poor or corroded connector or pin at sensor or ECM
Failed/faulty cylinder pressure sensor (internal failure)
Low battery/poor reference voltage or ground
Intermittent wiring fault caused by chafing or heat damage
Oil, coolant or contaminants inside the sensor or connector

Symptoms

Check Engine Light (MIL) illuminated
Stored P2352 code (may be accompanied by other cylinder/sensor codes)
Rough idle, misfire or hesitation on affected cylinder
Reduced engine performance or limp-home strategy in some vehicles
Higher fuel consumption or failed emissions/inspection
Intermittent faults that appear under certain temperatures or loads

What to check

Scan for P2352 and any related codes; record freeze-frame data and live PID for cylinder 10 pressure
Visual inspection: sensor connector, pins, wiring harness routing, chafing, heat damage or contamination
Check battery voltage and vehicle grounds for corrosion or looseness
Back-probe sensor connector and check reference voltage (typically 5V), ground continuity and signal voltage
Measure wiring continuity and resistance between sensor connector and ECM pin (check for opens/shorts to power or ground)
Wiggle test wiring while monitoring live data or DTC status to reproduce intermittent faults

Signal parameters

Typical reference supply: 5 V (verify OEM specification before testing)
Typical signal output: roughly 0.5–4.5 V proportional to pressure (varies by sensor type)
Expected signal should vary with crank angle/combustion events; a flat or stuck voltage indicates a fault
Typical sensor resistance: varies by design — consult manufacturer service data for ohm values
If sensor is digital (CAN/SPI), expect valid communication messages; loss of messages or CRC errors indicate wiring/ECM issues
Always confirm exact voltage/resistance values with the vehicle manufacturer before repair

Diagnostic algorithm

Connect a professional scan tool, read and record all codes, freeze-frame and live data for cylinder 10 pressure.
Clear codes and perform a test drive or engine start to see if P2352 returns and gather live PID behavior.
Visually inspect sensor connector, pins and wiring for damage, corrosion or contamination. Repair any obvious issues.
With ignition ON (engine off) back-probe the sensor connector: verify reference voltage (≈5V), ground continuity and signal voltage. Compare to known-good values or other cylinder sensors when possible.
With engine running (if safe), monitor the signal trace/voltage with an oscilloscope or high-resolution meter to confirm the signal varies with crank and combustion events. Look for dropouts or noise.
Perform continuity and resistance checks from the sensor connector to the ECM connector to find opens/shorts. Check for shorts to battery positive or ground.
Wiggle harness and connectors while monitoring live data or DTC status to isolate intermittent faults.
If wiring and supply checks are good, swap the cylinder 10 pressure sensor with a known-good sensor (or identical cylinder sensor) if accessible to see if the fault follows the sensor.
If the fault remains on cylinder 10 after a good sensor is installed, suspect ECM input circuit or further wiring faults; consult manufacturer service information and consider ECM testing/reprogramming.
After repair, clear codes and verify with a thorough test drive and re-scan to ensure P2352 does not return.
Safety: isolate battery when disconnecting sensors, support vehicle safely when required, follow manufacturer safety procedures when working near hot or moving engine components.