P CODE FAMILY
Powertrain code references — Page 82.
Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.
Generic OBD-II
P2745
Intermediate-speed B circuitry requires the correct sensor architecture
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Generic OBD-II
P2746
Clutch-two speed plausibility needs pressure and slip context
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Generic OBD-II
P2747
Intermediate Shaft Speed Sensor B Circuit No Signal
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Generic OBD-II
P2748
Intermediate-speed B intermittency is distinct from its noise and dropout checks
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Generic OBD-II
P2749
Intermediate Shaft Speed Sensor C Circuit
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Generic OBD-II
P274A
Transmission Fluid Temperature Sensor C Circuit
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Generic OBD-II
P274B
Transmission Fluid Temperature Sensor C Circuit Range/Performance
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Generic OBD-II
P274C
Transmission Fluid Temperature Sensor C Circuit Low
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Generic OBD-II
P274D
Transmission Fluid Temperature Sensor C Circuit High
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Generic OBD-II
P274E
Transmission Fluid Temperature Sensor C Circuit Intermittent
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Generic OBD-II
P274F
Transmission Fluid Temperature Sensor C Over Temperature Condition
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Generic OBD-II
P2750
Intermediate Shaft Speed Sensor C Circuit Range/Performance
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Generic OBD-II
P2751
Intermediate Shaft Speed Sensor C Circuit No Signal
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Generic OBD-II
P2752
Intermediate Shaft Speed Sensor C Circuit Intermittent
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Generic OBD-II
P2753
a cooler-valve circuit fault can involve coolant migration into wiring
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Generic OBD-II
P2754
Transmission Fluid Cooler Control Circuit Low
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Generic OBD-II
P2755
high cooler-control circuit feedback may accompany widespread harness damage
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Generic OBD-II
P2756
Torque Converter Clutch Pressure Control Solenoid
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Generic OBD-II
P2757
Aisin torque-converter performance fault in a narrow Ram production batch
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Generic OBD-II
P2758
Converter-clutch stuck-on evidence requires an off command
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Generic OBD-II
P2759
torque-converter pressure control has an electrical tracking test
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Generic OBD-II
P275A
Transmission Fluid Temperature Sensor D Circuit
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Generic OBD-II
P275B
Transmission Fluid Temperature Sensor D Circuit Range/Performance
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Generic OBD-II
P275C
Transmission Fluid Temperature Sensor D Circuit Low
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Generic OBD-II
P275D
Transmission Fluid Temperature Sensor D Circuit High
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Generic OBD-II
P275E
Transmission Fluid Temperature Sensor D Circuit Intermittent
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Generic OBD-II
P275F
Transmission Fluid Temperature Sensor D Over Temperature Condition
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Generic OBD-II
P2760
Converter-clutch intermittency belongs to the electrical reporting path
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Generic OBD-II
P2761
A preliminary low fault becomes a confirmed open-circuit diagnosis
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Generic OBD-II
P2762
Torque-converter solenoid performance has several electrical branches
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Generic OBD-II
P2763
Three persistent power-short indications confirm the TCC circuit-high fault
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Generic OBD-II
P2764
TCC circuit low needs confirmation beyond the initial driver indication
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Generic OBD-II
P2765
Audi S tronic sensor-module diagnosis needs the DFCC
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Generic OBD-II
P2766
Input/Turbine Shaft Speed Sensor B Circuit Range/Performance
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Generic OBD-II
P2767
Input/Turbine Shaft Speed Sensor B Circuit No Signal
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Generic OBD-II
P2768
Input/Turbine Shaft Speed Sensor B Circuit Intermittent
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Generic OBD-II
P2769
Converter-clutch circuit low describes a ground-side electrical category
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Generic OBD-II
P276A
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit/Open
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Generic OBD-II
P276B
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit Low
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Generic OBD-II
P276C
Electric/Auxiliary Transmission Fluid Pump B Motor Supply Voltage Circuit High
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Generic OBD-II
P276D
Electric/Auxiliary Transmission Fluid Pump B Motor Current
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Generic OBD-II
P276E
Electric/Auxiliary Transmission Fluid Pump B Motor Current Low
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Generic OBD-II
P276F
Electric/Auxiliary Transmission Fluid Pump B Motor Current High
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Generic OBD-II
P2770
Converter-clutch circuit high is separate from a clutch that will not release
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Generic OBD-II
P2771
4WD low switch state versus the calculated transfer ratio
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Generic OBD-II
P2772
Four Wheel Drive (4WD) Low Switch Circuit Range/Performance
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Generic OBD-II
P2773
Four Wheel Drive (4WD) Low Switch Circuit Low
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Generic OBD-II
P2774
Four Wheel Drive (4WD) Low Switch Circuit High
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Generic OBD-II
P2775
An upshift paddle can be electrically plausible yet between valid states
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Generic OBD-II
P2776
Upshift input low needs a calibration check before applying the number
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Generic OBD-II
P2777
Upshift paddle circuit high is a timed electrical limit
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Generic OBD-II
P2778
Upshift Switch Circuit Intermittent/Erratic
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Generic OBD-II
P2779
Downshift plausibility rejects a value that fits neither switch state
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Generic OBD-II
P277A
Electric/Auxiliary Transmission Fluid Pump B Hydraulic Leakage
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Generic OBD-II
P277B
Electric/Auxiliary Transmission Fluid Pump B Driver Circuit Performance
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Generic OBD-II
P277C
Electric/Auxiliary Transmission Fluid Pump B Motor Stalled
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Generic OBD-II
P277D
Electric/Auxiliary Transmission Fluid Pump B Motor Over Temperature
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Generic OBD-II
P277E
Odd-side gear loss is detected while the clutch is not slipping
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Generic OBD-II
P277F
Even-side gear loss requires more than a neutral indication
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Generic OBD-II
P2780
Downshift circuit low has a printed threshold conflict to resolve
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Generic OBD-II
P2781
A downshift input-high fault concerns voltage, not a held paddle
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Generic OBD-II
P2782
Downshift Switch Circuit Intermittent/Erratic
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Generic OBD-II
P2783
Torque Converter Temperature Too High
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Generic OBD-II
P2784
Input/Turbine Speed Sensor A/B Correlation
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Generic OBD-II
P2785
Clutch Actuator Temperature Too High
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Generic OBD-II
P2786
Gear Shift Actuator Temperature Too High
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Generic OBD-II
P2787
Clutch A Temperature Too High
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Generic OBD-II
P2788
Auto Shift Manual Adaptive Learning at Limit
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Generic OBD-II
P2789
Clutch A Adaptive Learning at Limit
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Generic OBD-II
P278A
Kick Down Switch Circuit
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Generic OBD-II
P278B
Kick Down Switch Circuit Range/Performance
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Generic OBD-II
P278C
Kick Down Switch Circuit Low
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Generic OBD-II
P278D
Kick Down Switch Circuit High
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Generic OBD-II
P278E
Kick Down Switch Circuit Intermittent/Erratic
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Generic OBD-II
P278F
Clutch B Adaptive Learning at Limit
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Generic OBD-II
P2790
Gate Select Direction Circuit
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Generic OBD-II
P2791
Gate Select Direction Circuit Low
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Generic OBD-II
P2792
Gate Select Direction Circuit High
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Generic OBD-II
P2793
Gear Shift Direction Circuit
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Generic OBD-II
P2794
Gear Shift Direction Circuit Low
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Generic OBD-II
P2795
Gear Shift Direction Circuit High
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Generic OBD-II
P2796
Auxiliary transmission-pump motor circuit is diagnosed open
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Generic OBD-II
P2797
CVT auxiliary pump supplies inadequate pressure during an auto-stop event
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Generic OBD-II
P2798
Auxiliary transmission-pump control circuit is electrically low
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Generic OBD-II
P2799
Auxiliary transmission-pump control circuit detects unwanted power
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Generic OBD-II
P279A
transfer-case high-range command disagrees with measured ratio
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Generic OBD-II
P279B
transfer-case low-range command disagrees with measured ratio
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Generic OBD-II
P279C
transfer-case range information that needs a careful cross-check
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Generic OBD-II
P279D
Four Wheel Drive (4WD) Range Signal Circuit
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Generic OBD-II
P279E
Four Wheel Drive (4WD) Range Signal Circuit Range/Performance
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Generic OBD-II
P279F
Four Wheel Drive (4WD) Range Signal Circuit Low
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Generic OBD-II
P27A0
Four Wheel Drive (4WD) Range Signal Circuit High
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Generic OBD-II
P27A1
Electric/Auxiliary Transmission Fluid Pump A Stuck On
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Generic OBD-II
P27A2
Electric/Auxiliary Transmission Fluid Pump B Control Circuit/Open
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Generic OBD-II
P27A3
Electric/Auxiliary Transmission Fluid Pump B Performance/Stuck Off
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Generic OBD-II
P27A4
Electric/Auxiliary Transmission Fluid Pump B Control Circuit Low
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Generic OBD-II
P27A5
Electric/Auxiliary Transmission Fluid Pump B Control Circuit High
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Generic OBD-II
P27A6
Electric/Auxiliary Transmission Fluid Pump B Stuck On
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Generic OBD-II
P27A7
Solenoid A characterization data does not match a valid programmed set
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Generic OBD-II
P27A8
Solenoid B data fails the transmission controller’s compatibility check
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.