P1698
PCM Fault No CCD Message From TCM
Severity
🔴 HighCan you drive?
Yes, but get it checked soon
Approx. repair cost
$56–278 (est.)
Symptoms
- Incorrect gear shifting
- Check Engine Light Illuminates
- The car goes into emergency mode
- Reduced engine power
- Problems with cruise control
Causes
- TCM module malfunction
- Problems with the PCM
- Open or short circuit in CCD communication circuit
- Poor contact in connectors
- Problems with module power supply
How to Fix
- Check the integrity of the wiring harness between the PCM and TCM
- Inspect connectors for corrosion or damage
- Check power and ground on both modules
- Read trouble codes from TCM
- If necessary, replace the faulty module