Fault Family System: Powertrain (P-Codes) 4 SAE Codes

Crankcase Temperature Sensor Circuit

Diagnostic & Technical Explanation

Code P2EBB (Crankcase Temperature Sensor Circuit) covers the temperature sensor used alongside the crankcase pressure sensor to compensate the PCV system's pressure model for oil temperature, since oil viscosity changes crankcase pressure behavior as it warms. The ECM flags an open, shorted, out-of-range, or implausible signal. Causes are a sensor port fouled with oil residue, a failed sensor element, or corroded/chafed wiring between the sensor and ECM.

These 4 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 4 times.

Codes in this family (4)

Code	Definition	Repair coverage
P2EBB	Crankcase Temperature Sensor Circuit	3 ranked fixes
P2EBC	Crankcase Temperature Sensor Circuit Range/Performance	3 ranked fixes
P2EBD	Crankcase Temperature Sensor Circuit High	3 ranked fixes
P2EBE	Crankcase Temperature Sensor Circuit Low	3 ranked fixes

What this page does not show

This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:

Procedures 2..n after the first-listed procedure
Aftermarket parts cost ranges in USD (est_parts_cost_min/max_usd)
Professional labor-hour estimates (est_labor_hours)
Step-by-step diagnostic and repair instructions
Replacement-part mappings and catalog lookups
6,637 manufacturer-specific OEM codes across 32 makes ($149 tier)

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