What does it mean?
P1854 is a Powertrain fault code. It indicates: Transmission Transfer Case Contact Plate 'C' Circuit Failure.
Transmission Transfer Case Contact Plate 'C' Circuit Failure
Severity
Medium
Can I keep driving?
Usually drivable, but get it diagnosed without delay.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
- PPowertrain
- 1Manufacturer-specific
- 8Powertrain (Other)
- 54Sequence number
Codes From the Same System
All Fault Codes- P0E00Generator Phase U Current Sensor Circuit
- P0E01Generator Phase U Current Sensor Circuit Range/Performance
- P0E02Generator Phase U Current Sensor Circuit Low
- P0E03Generator Phase U Current Sensor Circuit High
- P0E04Generator Phase V Current Sensor Circuit
- P0E05Generator Phase V Current Sensor Circuit Range/Performance
- P0E06Generator Phase V Current Sensor Circuit Low
- P0E07Generator Phase V Current Sensor Circuit High
Related Similar Codes
- P1850Transmission Transfer Case Differential Lock-Up Feedback Switch Short Circuit To Ground
- P1851Transmission Transfer Case Contact Plate 'B' Open Circuit
- P1852Transmission Transfer Case Contact Plate 'B' Short Circuit To Battery
- P1853Transmission Transfer Case Contact Plate 'B' Short Circuit To Ground
- P1855Transmission Transfer Case Contact Plate 'C' Open Circuit
- P1856Transmission Transfer Case Contact Plate 'C' Short Circuit To Battery
- P1857Transmission Transfer Case Contact Plate 'C' Short Circuit To Ground
- P1858Transmission Transfer Case Contact Plate 'D' Circuit Failure
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.