DTC Description

2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Description

DTC DETECTION LOGIC 

DTC CONSULT screen terms (Trouble diagnosis content) DTC detecting condition
P27B1 CONTROL MODULE (Internal Control Module Transmission Range Select Performance) Diagnosis condition -
Signal (terminal) -
Threshold When either of the following condition 1 or 2 is satisfied:
  1. When a discrepancy is detected by comparing the main function target shift with the redundant shift * Redundant shift: Shift position from lever position information
  2. When a incorrect is detected by comparing the clutch solenoid valve current ON/OFF status of each shift with the main function target shift for microcomputer
Diagnosis delay time 100 ms

POSSIBLE CAUSE 

TCM

FAIL-SAFE 

Unable driving

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.