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1998 ACURA RL
3.5L V6•FWD•AUTOMATIC•gas
3 active safety recalls on this vehicle — view recalls
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Repairs0Labor471Torque660Fluid7DTC1651Battery1Maintenance0Recalls3
P1886high severityPowertrain

Transmission Range Switch Circuit Malfunction

on 1998 Acura RL 3.5L V6 · FWD

What this code means

An electrical fault is detected in the transmission range switch circuit. Related to generic codes P0705/P0706.

Symptoms

  • Engine will not crank
  • Wrong gear position shown
  • Erratic shift behavior

Common causes

  • Short or open in range switch wiring
  • Faulty range switch
  • Poor connector contact
  • Failed TCM input circuit

Diagnostic steps

  1. Scan for stored range switch codes
  2. Inspect range switch wiring for faults
  3. Verify signal at TCM in each gear
  4. Check connectors for corrosion
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