how to fix P0700 code in Honda CR-V Fifth Generation (2017-2022)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid, funnel, cleaning cloths.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Transmission Fluid

• Step 1: Locate the transmission fluid dipstick and remove it.
• Step 2: Check the fluid level. If low, add the recommended type of transmission fluid (Honda ATF DW-1).
• Step 3: If the fluid is discolored or has a burnt odor, drain and replace it.
  • Sub-step 1: Remove the transmission drain plug using a socket wrench and allow the fluid to drain completely.
  • Sub-step 2: Replace the drain plug and torque it to manufacturer specifications (consult service manual for exact torque).
  • Sub-step 3: Refill with new transmission fluid through the dipstick tube using a funnel until the proper level is reached.

3. Check and Repair Wiring/Connectors

• Step 1: Inspect wiring harness and connectors to the TCM for any visible damage.
• Step 2: Use a multimeter to test for continuity and proper voltage at the TCM connectors.
• Step 3: Repair or replace any damaged wiring or connectors as necessary.

4. Replace Faulty Sensors

• Step 1: If the vehicle speed sensor or transmission fluid temperature sensor is malfunctioning, remove the faulty sensor.
• Step 2: Install the new sensor, ensuring it is seated correctly.
• Step 3: Connect the wiring harness back to the sensor.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0700 code and any other related codes.