INOPERATIVE OR INACCURATE SPEEDOMETER, 4X4 LAMP ILLUMINATED AND / OR DIAGNOSTIC TROUBLE CODES (DTCS) P1635 OR P1639 PRESENT AFTER A POWERTRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER REPLACEMENT. *JB
INOPERATIVE OR INACCURATE SPEEDOMETER, 4X4 LAMP ILLUMINATED AND / OR DIAGNOSTIC TROUBLE CODES (DTCS) P1635 OR P1639 PRESENT AFTER A POWERTRAIN CONTROL MODULE (PCM) OR INSTRUMENT CLUSTER REPLACEMENT. *JB